20434604586 has 32 divisors (see below), whose sum is σ = 44590791168. Its totient is φ = 6191443440.

The previous prime is 20434604579. The next prime is 20434604621. The reversal of 20434604586 is 68540643402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585421 + ... + 619343.

It is an arithmetic number, because the mean of its divisors is an integer number (1393462224).

Almost surely, 2^20434604586 is an apocalyptic number.

20434604586 is an abundant number, since it is smaller than the sum of its proper divisors (24156186582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20434604586 is a wasteful number, since it uses less digits than its factorization.

20434604586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43066.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 20434604586 in words is "twenty billion, four hundred thirty-four million, six hundred four thousand, five hundred eighty-six".