202010274921 has 32 divisors (see below), whose sum is σ = 342935228160. Its totient is φ = 102880560384.

The previous prime is 202010274901. The next prime is 202010274923. The reversal of 202010274921 is 129472010202.

It is not a de Polignac number, because 202010274921 - 2³⁴ = 184830405737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202010274923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12750090 + ... + 12765923.

It is an arithmetic number, because the mean of its divisors is an integer number (10716725880).

Almost surely, 2^202010274921 is an apocalyptic number.

202010274921 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202010274921 is a deficient number, since it is larger than the sum of its proper divisors (140924953239).

202010274921 is a wasteful number, since it uses less digits than its factorization.

202010274921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25516065.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 202010274921 in words is "two hundred two billion, ten million, two hundred seventy-four thousand, nine hundred twenty-one".