20116615054 has 4 divisors (see below), whose sum is σ = 30174922584. Its totient is φ = 10058307526.

The previous prime is 20116615039. The next prime is 20116615069. The reversal of 20116615054 is 45051661102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20116615039) and next prime (20116615069).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5029153762 + ... + 5029153765.

It is an arithmetic number, because the mean of its divisors is an integer number (7543730646).

Almost surely, 2^20116615054 is an apocalyptic number.

20116615054 is a deficient number, since it is larger than the sum of its proper divisors (10058307530).

20116615054 is a wasteful number, since it uses less digits than its factorization.

20116615054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058307529.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 20116615054 in words is "twenty billion, one hundred sixteen million, six hundred fifteen thousand, fifty-four".