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201010212021020 = 225101242747409933
BaseRepresentation
bin101101101101000101010110…
…010010001010001100011100
3222100201101111021202220100012
4231231011112102022030130
5202321322403234133040
61551302452215022352
760224336303650553
oct5555052622121434
9870641437686305
10201010212021020
1159058a523a6836
121a66516136a9b8
13882124914a8bc
14378cd36420d9a
151838b0c0e4865
hexb6d15648a31c

201010212021020 has 48 divisors (see below), whose sum is σ = 426303661579488. Its totient is φ = 79607482617600.

The previous prime is 201010212021013. The next prime is 201010212021029. The reversal of 201010212021020 is 20120212010102.

201010212021020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201010212020986 and 201010212021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010212021029) 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, 490143974 + ... + 490553906.

It is an arithmetic number, because the mean of its divisors is an integer number (8881326282906).

Almost surely, 2201010212021020 is an apocalyptic number.

201010212021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010212021020 is an abundant number, since it is smaller than the sum of its proper divisors (225293449558468).

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

201010212021020 is a wasteful number, since it uses less digits than its factorization.

201010212021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652790 (or 652788 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201010212021020 its reverse (20120212010102), we get a palindrome (221130424031122).

The spelling of 201010212021020 in words is "two hundred one trillion, ten billion, two hundred twelve million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 242747 409933 485494 819866 970988 1213735 1639732 2049665 2427470 4099330 4854940 8198660 24517447 41403233 49034894 82806466 98069788 122587235 165612932 207016165 245174470 414032330 490348940 828064660 99510005951 199020011902 398040023804 497550029755 995100059510 1990200119020 10050510601051 20101021202102 40202042404204 50252553005255 100505106010510 201010212021020