20512663710 has 96 divisors (see below), whose sum is σ = 62474239872. Its totient is φ = 4262368320.

The previous prime is 20512663673. The next prime is 20512663733. The reversal of 20512663710 is 1736621502.

It is a super-3 number, since 3×20512663710³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 618112 + ... + 650451.

It is an arithmetic number, because the mean of its divisors is an integer number (650773332).

Almost surely, 2^20512663710 is an apocalyptic number.

20512663710 is an abundant number, since it is smaller than the sum of its proper divisors (41961576162).

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

20512663710 is a wasteful number, since it uses less digits than its factorization.

20512663710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268598 (or 1268591 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 20512663710 in words is "twenty billion, five hundred twelve million, six hundred sixty-three thousand, seven hundred ten".