20046588155 has 16 divisors (see below), whose sum is σ = 26475051744. Its totient is φ = 14450311680.

The previous prime is 20046588131. The next prime is 20046588187. The reversal of 20046588155 is 55188564002.

It is not a de Polignac number, because 20046588155 - 2²² = 20042393851 is a prime.

It is a Duffinian number.

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, 1606544 + ... + 1618973.

It is an arithmetic number, because the mean of its divisors is an integer number (1654690734).

Almost surely, 2^20046588155 is an apocalyptic number.

20046588155 is a deficient number, since it is larger than the sum of its proper divisors (6428463589).

20046588155 is a wasteful number, since it uses less digits than its factorization.

20046588155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225646.

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 20046588155 in words is "twenty billion, forty-six million, five hundred eighty-eight thousand, one hundred fifty-five".