20042550202 has 16 divisors (see below), whose sum is σ = 30887092512. Its totient is φ = 9747041040.

The previous prime is 20042550179. The next prime is 20042550223. The reversal of 20042550202 is 20205524002.

It is a happy 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, 174273 + ... + 265435.

It is an arithmetic number, because the mean of its divisors is an integer number (1930443282).

Almost surely, 2^20042550202 is an apocalyptic number.

20042550202 is a deficient number, since it is larger than the sum of its proper divisors (10844542310).

20042550202 is a wasteful number, since it uses less digits than its factorization.

20042550202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94173.

The product of its (nonzero) digits is 1600, while the sum is 22.

The spelling of 20042550202 in words is "twenty billion, forty-two million, five hundred fifty thousand, two hundred two".