20116155534 has 32 divisors (see below), whose sum is σ = 41997830400. Its totient is φ = 6411358272.

The previous prime is 20116155529. The next prime is 20116155593. The reversal of 20116155534 is 43555161102.

It is a junction number, because it is equal to n+sod(n) for n = 20116155495 and 20116155504.

It is a congruent 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, 346642 + ... + 400490.

It is an arithmetic number, because the mean of its divisors is an integer number (1312432200).

Almost surely, 2^20116155534 is an apocalyptic number.

20116155534 is an abundant number, since it is smaller than the sum of its proper divisors (21881674866).

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

20116155534 is a wasteful number, since it uses less digits than its factorization.

20116155534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56584.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 20116155534 in words is "twenty billion, one hundred sixteen million, one hundred fifty-five thousand, five hundred thirty-four".