20150750450 has 12 divisors (see below), whose sum is σ = 37480395930. Its totient is φ = 8060300160.

The previous prime is 20150750443. The next prime is 20150750483. The reversal of 20150750450 is 5405705102.

It can be written as a sum of positive squares in 3 ways, for example, as 13988029441 + 6162721009 = 118271^2 + 78503^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201507455 + ... + 201507554.

Almost surely, 2^20150750450 is an apocalyptic number.

20150750450 is a deficient number, since it is larger than the sum of its proper divisors (17329645480).

20150750450 is a wasteful number, since it uses less digits than its factorization.

20150750450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403015021 (or 403015016 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The spelling of 20150750450 in words is "twenty billion, one hundred fifty million, seven hundred fifty thousand, four hundred fifty".