202001211210020 has 24 divisors (see below), whose sum is σ = 424202951491200. Its totient is φ = 80800406779232.

The previous prime is 202001211210017. The next prime is 202001211210049. The reversal of 202001211210020 is 20012112100202.

It is a junction number, because it is equal to n+sod(n) for n = 202001211209977 and 202001211210004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19419941 + ... + 27948819.

It is an arithmetic number, because the mean of its divisors is an integer number (17675122978800).

Almost surely, 2^{202001211210020} is an apocalyptic number.

202001211210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001211210020 is an abundant number, since it is smaller than the sum of its proper divisors (222201740281180).

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

202001211210020 is a wasteful number, since it uses less digits than its factorization.

202001211210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9713107 (or 9713105 counting only the distinct ones).

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

Adding to 202001211210020 its reverse (20012112100202), we get a palindrome (222013323310222).

The spelling of 202001211210020 in words is "two hundred two trillion, one billion, two hundred eleven million, two hundred ten thousand, twenty".