20047727526 has 16 divisors (see below), whose sum is σ = 42205742400. Its totient is φ = 6330861288.

The previous prime is 20047727509. The next prime is 20047727549. The reversal of 20047727526 is 62572774002.

It is a happy number.

It is a super-2 number, since 2×20047727526² (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 7 ways as a sum of consecutive naturals, for example, 87928516 + ... + 87928743.

It is an arithmetic number, because the mean of its divisors is an integer number (2637858900).

Almost surely, 2^20047727526 is an apocalyptic number.

20047727526 is an abundant number, since it is smaller than the sum of its proper divisors (22158014874).

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

20047727526 is a wasteful number, since it uses less digits than its factorization.

20047727526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175857283.

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 20047727526 in words is "twenty billion, forty-seven million, seven hundred twenty-seven thousand, five hundred twenty-six".