15220635793 has 16 divisors (see below), whose sum is σ = 16761830400. Its totient is φ = 13706312400.

The previous prime is 15220635791. The next prime is 15220635797. The reversal of 15220635793 is 39753602251.

It is not a de Polignac number, because 15220635793 - 2¹ = 15220635791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15220635791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481588 + ... + 512218.

It is an arithmetic number, because the mean of its divisors is an integer number (1047614400).

Almost surely, 2^15220635793 is an apocalyptic number.

It is an amenable number.

15220635793 is a deficient number, since it is larger than the sum of its proper divisors (1541194607).

15220635793 is a wasteful number, since it uses less digits than its factorization.

15220635793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31068.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 15220635793 in words is "fifteen billion, two hundred twenty million, six hundred thirty-five thousand, seven hundred ninety-three".