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202201102102020 = 223571501933205417
BaseRepresentation
bin101101111110011010011100…
…110111010010111000000100
3222111221020101110120011210020
4231332122130313102320010
5203000330324114231040
61554013523130255140
760406355543426160
oct5576323467227004
9874836343504706
10202201102102020
115947800784594a
121a817b17b874b0
1388a963627aa98
1437d082aabdca0
151859aac13ecd0
hexb7e69cdd2e04

202201102102020 has 96 divisors (see below), whose sum is σ = 647048036667648. Its totient is φ = 46217072627712.

The previous prime is 202201102101961. The next prime is 202201102102063. The reversal of 202201102102020 is 20201201102202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61478352 + ... + 64683768.

It is an arithmetic number, because the mean of its divisors is an integer number (6740083715288).

Almost surely, 2202201102102020 is an apocalyptic number.

202201102102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201102102020 is an abundant number, since it is smaller than the sum of its proper divisors (444846934565628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202201102102020 is a wasteful number, since it uses less digits than its factorization.

202201102102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355629 (or 3355627 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202201102102020 its reverse (20201201102202), we get a palindrome (222402303204222).

The spelling of 202201102102020 in words is "two hundred two trillion, two hundred one billion, one hundred two million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 150193 300386 450579 600772 750965 901158 1051351 1501930 1802316 2102702 2252895 3003860 3154053 3205417 4205404 4505790 5256755 6308106 6410834 9011580 9616251 10513510 12616212 12821668 15770265 16027085 19232502 21027020 22437919 31540530 32054170 38465004 44875838 48081255 63081060 64108340 67313757 89751676 96162510 112189595 134627514 192325020 224379190 269255028 336568785 448758380 673137570 1346275140 481431195481 962862390962 1444293586443 1925724781924 2407155977405 2888587172886 3370018368367 4814311954810 5777174345772 6740036736734 7221467932215 9628623909620 10110055105101 13480073473468 14442935864430 16850091841835 20220110210202 28885871728860 33700183683670 40440220420404 50550275525505 67400367367340 101100551051010 202201102102020