20126261744476 has 12 divisors (see below), whose sum is σ = 35231111135080. Its totient is φ = 10060229991600.

The previous prime is 20126261744473. The next prime is 20126261744569. The reversal of 20126261744476 is 67444716262102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126261744473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725204550 + ... + 725232301.

Almost surely, 2^{20126261744476} is an apocalyptic number.

It is an amenable number.

20126261744476 is a deficient number, since it is larger than the sum of its proper divisors (15104849390604).

20126261744476 is a wasteful number, since it uses less digits than its factorization.

20126261744476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450440324 (or 1450440322 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 20126261744476 in words is "twenty trillion, one hundred twenty-six billion, two hundred sixty-one million, seven hundred forty-four thousand, four hundred seventy-six".