20582138514 has 32 divisors (see below), whose sum is σ = 47062526976. Its totient is φ = 5878406160.

The previous prime is 20582138509. The next prime is 20582138537. The reversal of 20582138514 is 41583128502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23179 + ... + 204209.

It is an arithmetic number, because the mean of its divisors is an integer number (1470703968).

Almost surely, 2^20582138514 is an apocalyptic number.

20582138514 is an abundant number, since it is smaller than the sum of its proper divisors (26480388462).

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

20582138514 is a wasteful number, since it uses less digits than its factorization.

20582138514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183750.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 20582138514 in words is "twenty billion, five hundred eighty-two million, one hundred thirty-eight thousand, five hundred fourteen".