20605554322 has 16 divisors (see below), whose sum is σ = 31357982880. Its totient is φ = 10153975968.

The previous prime is 20605554311. The next prime is 20605554323. The reversal of 20605554322 is 22345550602.

It is not an unprimeable number, because it can be changed into a prime (20605554323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232428 + ... + 308599.

It is an arithmetic number, because the mean of its divisors is an integer number (1959873930).

Almost surely, 2^20605554322 is an apocalyptic number.

20605554322 is a deficient number, since it is larger than the sum of its proper divisors (10752428558).

20605554322 is a wasteful number, since it uses less digits than its factorization.

20605554322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541305.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 20605554322 in words is "twenty billion, six hundred five million, five hundred fifty-four thousand, three hundred twenty-two".