20512652662 has 32 divisors (see below), whose sum is σ = 33483542400. Its totient is φ = 9392640768.

The previous prime is 20512652653. The next prime is 20512652669. The reversal of 20512652662 is 26625621502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20512652669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93789 + ... + 223207.

It is an arithmetic number, because the mean of its divisors is an integer number (1046360700).

Almost surely, 2^20512652662 is an apocalyptic number.

20512652662 is a deficient number, since it is larger than the sum of its proper divisors (12970889738).

20512652662 is a wasteful number, since it uses less digits than its factorization.

20512652662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129580.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20512652662 in words is "twenty billion, five hundred twelve million, six hundred fifty-two thousand, six hundred sixty-two".