20272062516 has 12 divisors (see below), whose sum is σ = 47301479232. Its totient is φ = 6757354168.

The previous prime is 20272062491. The next prime is 20272062527. The reversal of 20272062516 is 61526027202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20272062516² (a number of 21 digits) contains 22 as substring.

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, 844669260 + ... + 844669283.

It is an arithmetic number, because the mean of its divisors is an integer number (3941789936).

Almost surely, 2^20272062516 is an apocalyptic number.

It is an amenable number.

20272062516 is an abundant number, since it is smaller than the sum of its proper divisors (27029416716).

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

20272062516 is a wasteful number, since it uses less digits than its factorization.

20272062516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689338550 (or 1689338548 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 20272062516 its reverse (61526027202), we get a palindrome (81798089718).

The spelling of 20272062516 in words is "twenty billion, two hundred seventy-two million, sixty-two thousand, five hundred sixteen".