20150408884 has 24 divisors (see below), whose sum is σ = 37207402400. Its totient is φ = 9522243360.

The previous prime is 20150408869. The next prime is 20150408891. The reversal of 20150408884 is 48880405102.

It is a super-2 number, since 2×20150408884² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282894 + ... + 346885.

Almost surely, 2^20150408884 is an apocalyptic number.

It is an amenable number.

20150408884 is a deficient number, since it is larger than the sum of its proper divisors (17056993516).

20150408884 is a wasteful number, since it uses less digits than its factorization.

20150408884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630223 (or 630221 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The spelling of 20150408884 in words is "twenty billion, one hundred fifty million, four hundred eight thousand, eight hundred eighty-four".