126320766420 has 24 divisors (see below), whose sum is σ = 353698146144. Its totient is φ = 33685537696.

The previous prime is 126320766409. The next prime is 126320766443. The reversal of 126320766420 is 24667023621.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 1052672994 + ... + 1052673113.

It is an arithmetic number, because the mean of its divisors is an integer number (14737422756).

Almost surely, 2^126320766420 is an apocalyptic number.

126320766420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126320766420 is an abundant number, since it is smaller than the sum of its proper divisors (227377379724).

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

126320766420 is a wasteful number, since it uses less digits than its factorization.

126320766420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105346119 (or 2105346117 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 126320766420 in words is "one hundred twenty-six billion, three hundred twenty million, seven hundred sixty-six thousand, four hundred twenty".