20510108713072 has 40 divisors (see below), whose sum is σ = 43532296254720. Its totient is φ = 9283769234880.

The previous prime is 20510108713037. The next prime is 20510108713099. The reversal of 20510108713072 is 27031780101502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243754398 + ... + 243838525.

It is an arithmetic number, because the mean of its divisors is an integer number (1088307406368).

Almost surely, 2^{20510108713072} is an apocalyptic number.

20510108713072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20510108713072 is an abundant number, since it is smaller than the sum of its proper divisors (23022187541648).

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

20510108713072 is a wasteful number, since it uses less digits than its factorization.

20510108713072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487593181 (or 487593175 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

Adding to 20510108713072 its reverse (27031780101502), we get a palindrome (47541888814574).

The spelling of 20510108713072 in words is "twenty trillion, five hundred ten billion, one hundred eight million, seven hundred thirteen thousand, seventy-two".