20150008 has 32 divisors (see below), whose sum is σ = 38792160. Its totient is φ = 9809280.

The previous prime is 20149973. The next prime is 20150021. The reversal of 20150008 is 80005102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20149973 and 20150000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76485 + ... + 76747.

It is an arithmetic number, because the mean of its divisors is an integer number (1212255).

Almost surely, 2^20150008 is an apocalyptic number.

It is an amenable number.

20150008 is a deficient number, since it is larger than the sum of its proper divisors (18642152).

20150008 is a wasteful number, since it uses less digits than its factorization.

20150008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 20150008 is about 4488.8760285844. The cubic root of 20150008 is about 272.1187125987.

The spelling of 20150008 in words is "twenty million, one hundred fifty thousand, eight".