202102310064 has 40 divisors (see below), whose sum is σ = 530656619632. Its totient is φ = 66263051520.

The previous prime is 202102310041. The next prime is 202102310083. The reversal of 202102310064 is 460013201202.

It is a self number, because there is not a number n which added to its sum of digits gives 202102310064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34509079 + ... + 34514934.

Almost surely, 2^202102310064 is an apocalyptic number.

202102310064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202102310064 is an abundant number, since it is smaller than the sum of its proper divisors (328554309568).

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

202102310064 is a wasteful number, since it uses less digits than its factorization.

202102310064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69024085 (or 69024079 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 202102310064 its reverse (460013201202), we get a palindrome (662115511266).

The spelling of 202102310064 in words is "two hundred two billion, one hundred two million, three hundred ten thousand, sixty-four".