20552182458 has 32 divisors (see below), whose sum is σ = 41679686592. Its totient is φ = 6754896000.

The previous prime is 20552182457. The next prime is 20552182477. The reversal of 20552182458 is 85428125502.

It is not an unprimeable number, because it can be changed into a prime (20552182451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2668393 + ... + 2676083.

It is an arithmetic number, because the mean of its divisors is an integer number (1302490206).

Almost surely, 2^20552182458 is an apocalyptic number.

20552182458 is an abundant number, since it is smaller than the sum of its proper divisors (21127504134).

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

20552182458 is a wasteful number, since it uses less digits than its factorization.

20552182458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870.

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 20552182458 in words is "twenty billion, five hundred fifty-two million, one hundred eighty-two thousand, four hundred fifty-eight".