20461388162 has 16 divisors (see below), whose sum is σ = 31309579392. Its totient is φ = 10026910080.

The previous prime is 20461388147. The next prime is 20461388221. The reversal of 20461388162 is 26188316402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492014 + ... + 531977.

It is an arithmetic number, because the mean of its divisors is an integer number (1956848712).

Almost surely, 2^20461388162 is an apocalyptic number.

20461388162 is a deficient number, since it is larger than the sum of its proper divisors (10848191230).

20461388162 is a wasteful number, since it uses less digits than its factorization.

20461388162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024193.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 20461388162 in words is "twenty billion, four hundred sixty-one million, three hundred eighty-eight thousand, one hundred sixty-two".