20813054375 has 20 divisors (see below), whose sum is σ = 26054628600. Its totient is φ = 16620588000.

The previous prime is 20813054357. The next prime is 20813054411. The reversal of 20813054375 is 57345031802.

It is not a de Polignac number, because 20813054375 - 2¹⁶ = 20812988839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 322301 + ... + 381449.

It is an arithmetic number, because the mean of its divisors is an integer number (1302731430).

Almost surely, 2^20813054375 is an apocalyptic number.

20813054375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20813054375 is a deficient number, since it is larger than the sum of its proper divisors (5241574225).

20813054375 is an frugal number, since it uses more digits than its factorization.

20813054375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59732 (or 59717 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 20813054375 in words is "twenty billion, eight hundred thirteen million, fifty-four thousand, three hundred seventy-five".