20513322362 has 16 divisors (see below), whose sum is σ = 33440918280. Its totient is φ = 9380826432.

The previous prime is 20513322341. The next prime is 20513322373. The reversal of 20513322362 is 26322331502.

It can be written as a sum of positive squares in 4 ways, for example, as 10623218761 + 9890103601 = 103069^2 + 99449^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3616313 + ... + 3621980.

Almost surely, 2^20513322362 is an apocalyptic number.

20513322362 is a deficient number, since it is larger than the sum of its proper divisors (12927595918).

20513322362 is a wasteful number, since it uses less digits than its factorization.

20513322362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238417.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20513322362 its reverse (26322331502), we get a palindrome (46835653864).

The spelling of 20513322362 in words is "twenty billion, five hundred thirteen million, three hundred twenty-two thousand, three hundred sixty-two".