20150030552 has 16 divisors (see below), whose sum is σ = 37804553160. Its totient is φ = 10068816384.

The previous prime is 20150030533. The next prime is 20150030567. The reversal of 20150030552 is 25503005102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761033 + ... + 787064.

Almost surely, 2^20150030552 is an apocalyptic number.

It is an amenable number.

20150030552 is a deficient number, since it is larger than the sum of its proper divisors (17654522608).

20150030552 is a wasteful number, since it uses less digits than its factorization.

20150030552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549730 (or 1549726 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

Adding to 20150030552 its reverse (25503005102), we get a palindrome (45653035654).

The spelling of 20150030552 in words is "twenty billion, one hundred fifty million, thirty thousand, five hundred fifty-two".