20056615202 has 16 divisors (see below), whose sum is σ = 32408345592. Its totient is φ = 9254271360.

The previous prime is 20056615063. The next prime is 20056615219. The reversal of 20056615202 is 20251665002.

It can be written as a sum of positive squares in 4 ways, for example, as 20055941161 + 674041 = 141619^2 + 821^2 .

It is a super-2 number, since 2×20056615202² (a number of 21 digits) contains 22 as substring.

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, 14603 + ... + 200814.

Almost surely, 2^20056615202 is an apocalyptic number.

20056615202 is a deficient number, since it is larger than the sum of its proper divisors (12351730390).

20056615202 is a wasteful number, since it uses less digits than its factorization.

20056615202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219013.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 20056615202 in words is "twenty billion, fifty-six million, six hundred fifteen thousand, two hundred two".