20315354050 has 24 divisors (see below), whose sum is σ = 39089546100. Its totient is φ = 7845929280.

The previous prime is 20315354029. The next prime is 20315354053. The reversal of 20315354050 is 5045351302.

It can be written as a sum of positive squares in 6 ways, for example, as 1517024601 + 18798329449 = 38949^2 + 137107^2 .

It is a super-2 number, since 2×20315354050² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20315354053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7003845 + ... + 7006744.

Almost surely, 2^20315354050 is an apocalyptic number.

20315354050 is a deficient number, since it is larger than the sum of its proper divisors (18774192050).

20315354050 is a wasteful number, since it uses less digits than its factorization.

20315354050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14010630 (or 14010625 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 20315354050 in words is "twenty billion, three hundred fifteen million, three hundred fifty-four thousand, fifty".