20316530355 has 64 divisors (see below), whose sum is σ = 36919715328. Its totient is φ = 9452712960.

The previous prime is 20316530327. The next prime is 20316530369. The reversal of 20316530355 is 55303561302.

It is not a de Polignac number, because 20316530355 - 2¹¹ = 20316528307 is a prime.

It is a super-2 number, since 2×20316530355² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 422872 + ... + 468458.

It is an arithmetic number, because the mean of its divisors is an integer number (576870552).

Almost surely, 2^20316530355 is an apocalyptic number.

20316530355 is a deficient number, since it is larger than the sum of its proper divisors (16603184973).

20316530355 is a wasteful number, since it uses less digits than its factorization.

20316530355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45716.

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 20316530355 in words is "twenty billion, three hundred sixteen million, five hundred thirty thousand, three hundred fifty-five".