20267508496 has 15 divisors (see below), whose sum is σ = 39269401063. Its totient is φ = 10133469520.

The previous prime is 20267508493. The next prime is 20267508497. The reversal of 20267508496 is 69480576202.

The square root of 20267508496 is 142364.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20267508491) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 551661 + ... + 587251.

Almost surely, 2^20267508496 is an apocalyptic number.

20267508496 is the 142364-th square number.

It is an amenable number.

20267508496 is a deficient number, since it is larger than the sum of its proper divisors (19001892567).

20267508496 is an frugal number, since it uses more digits than its factorization.

20267508496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71190 (or 35593 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Multiplying 20267508496 by its sum of digits (49), we get a square (993107916304 = 996548²).

It can be divided in two parts, 20267508 and 496, that added together give a square (20268004 = 4502²).

The spelling of 20267508496 in words is "twenty billion, two hundred sixty-seven million, five hundred eight thousand, four hundred ninety-six".