20050005530 has 32 divisors (see below), whose sum is σ = 38736440784. Its totient is φ = 7444832256.

The previous prime is 20050005509. The next prime is 20050005539. The reversal of 20050005530 is 3550005002.

It can be written as a sum of positive squares in 8 ways, for example, as 13879431721 + 6170573809 = 117811^2 + 78553^2 .

It is not an unprimeable number, because it can be changed into a prime (20050005539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795407 + ... + 820226.

Almost surely, 2^20050005530 is an apocalyptic number.

20050005530 is a deficient number, since it is larger than the sum of its proper divisors (18686435254).

20050005530 is a wasteful number, since it uses less digits than its factorization.

20050005530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615730.

The product of its (nonzero) digits is 750, while the sum is 20.

The spelling of 20050005530 in words is "twenty billion, fifty million, five thousand, five hundred thirty".