20115052350 has 24 divisors (see below), whose sum is σ = 49885330200. Its totient is φ = 5364013920.

The previous prime is 20115052333. The next prime is 20115052351. The reversal of 20115052350 is 5325051102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20115052350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20115052351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67050025 + ... + 67050324.

It is an arithmetic number, because the mean of its divisors is an integer number (2078555425).

Almost surely, 2^20115052350 is an apocalyptic number.

20115052350 is an abundant number, since it is smaller than the sum of its proper divisors (29770277850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20115052350 is a wasteful number, since it uses less digits than its factorization.

20115052350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134100364 (or 134100359 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The spelling of 20115052350 in words is "twenty billion, one hundred fifteen million, fifty-two thousand, three hundred fifty".