20150402986 has 48 divisors (see below), whose sum is σ = 35805758400. Its totient is φ = 8477786688.

The previous prime is 20150402983. The next prime is 20150403023. The reversal of 20150402986 is 68920405102.

It is not an unprimeable number, because it can be changed into a prime (20150402981) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 5126670 + ... + 5130598.

It is an arithmetic number, because the mean of its divisors is an integer number (745953300).

Almost surely, 2^20150402986 is an apocalyptic number.

20150402986 is a deficient number, since it is larger than the sum of its proper divisors (15655355414).

20150402986 is a wasteful number, since it uses less digits than its factorization.

20150402986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 20150402986 in words is "twenty billion, one hundred fifty million, four hundred two thousand, nine hundred eighty-six".