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10100210102020 = 22514915227222587
BaseRepresentation
bin1001001011111010001101…
…1011110110111100000100
31022202120102000012212212101
42102332203123312330010
52310440212241231040
633251550015201444
72061500423223163
oct222764333667404
938676360185771
1010100210102020
113244525321955
1211715a3b16284
135835a434b38c
1426cbd20413da
15127ae283009a
hex92fa36f6f04

10100210102020 has 48 divisors (see below), whose sum is σ = 21354291403200. Its totient is φ = 4012687812224.

The previous prime is 10100210101999. The next prime is 10100210102023. The reversal of 10100210102020 is 2020101200101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10100210101988 and 10100210102006.

It is not an unprimeable number, because it can be changed into a prime (10100210102023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45265167 + ... + 45487753.

It is an arithmetic number, because the mean of its divisors is an integer number (444881070900).

Almost surely, 210100210102020 is an apocalyptic number.

10100210102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100210102020 is an abundant number, since it is smaller than the sum of its proper divisors (11254081301180).

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

10100210102020 is a wasteful number, since it uses less digits than its factorization.

10100210102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237972 (or 237970 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10100210102020 its reverse (2020101200101), we get a palindrome (12120311302121).

The spelling of 10100210102020 in words is "ten trillion, one hundred billion, two hundred ten million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 15227 30454 60908 76135 152270 222587 304540 445174 890348 1112935 2225870 2268823 4451740 4537646 9075292 11344115 22688230 33165463 45376460 66330926 132661852 165827315 331654630 663309260 3389332249 6778664498 13557328996 16946661245 33893322490 67786644980 505010505101 1010021010202 2020042020404 2525052525505 5050105051010 10100210102020