20538870321410 has 16 divisors (see below), whose sum is σ = 42251390375616. Its totient is φ = 7041898395888.

The previous prime is 20538870321373. The next prime is 20538870321421. The reversal of 20538870321410 is 1412307883502.

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, 146706216512 + ... + 146706216651.

It is an arithmetic number, because the mean of its divisors is an integer number (2640711898476).

Almost surely, 2^{20538870321410} is an apocalyptic number.

20538870321410 is an abundant number, since it is smaller than the sum of its proper divisors (21712520054206).

20538870321410 is a wasteful number, since it uses less digits than its factorization.

20538870321410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293412433177.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 20538870321410 in words is "twenty trillion, five hundred thirty-eight billion, eight hundred seventy million, three hundred twenty-one thousand, four hundred ten".