202000101020 has 48 divisors (see below), whose sum is σ = 426490535520. Its totient is φ = 80364884736.

The previous prime is 202000100989. The next prime is 202000101041. The reversal of 202000101020 is 20101000202.

It is a junction number, because it is equal to n+sod(n) for n = 202000100989 and 202000101007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2948879 + ... + 3016601.

It is an arithmetic number, because the mean of its divisors is an integer number (8885219490).

Almost surely, 2^202000101020 is an apocalyptic number.

202000101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000101020 is an abundant number, since it is smaller than the sum of its proper divisors (224490434500).

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

202000101020 is a wasteful number, since it uses less digits than its factorization.

202000101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68534 (or 68532 counting only the distinct ones).

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

Adding to 202000101020 its reverse (20101000202), we get a palindrome (222101101222).

The spelling of 202000101020 in words is "two hundred two billion, one hundred one thousand, twenty".