20372261115 has 8 divisors (see below), whose sum is σ = 32595617808. Its totient is φ = 10865205920.

The previous prime is 20372261089. The next prime is 20372261153. The reversal of 20372261115 is 51116227302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20372261115 - 2⁶ = 20372261051 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 679075356 + ... + 679075385.

It is an arithmetic number, because the mean of its divisors is an integer number (4074452226).

Almost surely, 2^20372261115 is an apocalyptic number.

20372261115 is a deficient number, since it is larger than the sum of its proper divisors (12223356693).

20372261115 is a wasteful number, since it uses less digits than its factorization.

20372261115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358150749.

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 20372261115 its reverse (51116227302), we get a palindrome (71488488417).

The spelling of 20372261115 in words is "twenty billion, three hundred seventy-two million, two hundred sixty-one thousand, one hundred fifteen".