202010920 has 16 divisors (see below), whose sum is σ = 454524660. Its totient is φ = 80804352.

The previous prime is 202010903. The next prime is 202010923. The reversal of 202010920 is 29010202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201583204 + 427716 = 14198^2 + 654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202010894 and 202010903.

It is not an unprimeable number, because it can be changed into a prime (202010923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525097 + ... + 2525176.

Almost surely, 2^202010920 is an apocalyptic number.

202010920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202010920 is an abundant number, since it is smaller than the sum of its proper divisors (252513740).

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

202010920 is a wasteful number, since it uses less digits than its factorization.

202010920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050284 (or 5050280 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 202010920 is about 14213.0545626195. The cubic root of 202010920 is about 586.7570037082.

The spelling of 202010920 in words is "two hundred two million, ten thousand, nine hundred twenty".