12577826020 has 24 divisors (see below), whose sum is σ = 26418821184. Its totient is φ = 5030104416.

The previous prime is 12577825999. The next prime is 12577826047. The reversal of 12577826020 is 2062877521.

It is a happy 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, 40569 + ... + 163711.

It is an arithmetic number, because the mean of its divisors is an integer number (1100784216).

Almost surely, 2^12577826020 is an apocalyptic number.

12577826020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12577826020 is an abundant number, since it is smaller than the sum of its proper divisors (13840995164).

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

12577826020 is a wasteful number, since it uses less digits than its factorization.

12577826020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128259 (or 128257 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 12577826020 in words is "twelve billion, five hundred seventy-seven million, eight hundred twenty-six thousand, twenty".