2257707700420 has 12 divisors (see below), whose sum is σ = 4741186170924. Its totient is φ = 903083080160.

The previous prime is 2257707700379. The next prime is 2257707700433. The reversal of 2257707700420 is 240077077522.

It can be written as a sum of positive squares in 2 ways, for example, as 873193064704 + 1384514635716 = 934448^2 + 1176654^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56442692491 + ... + 56442692530.

It is an arithmetic number, because the mean of its divisors is an integer number (395098847577).

Almost surely, 2^{2257707700420} is an apocalyptic number.

2257707700420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2257707700420 is an abundant number, since it is smaller than the sum of its proper divisors (2483478470504).

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

2257707700420 is a wasteful number, since it uses less digits than its factorization.

2257707700420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112885385030 (or 112885385028 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 43.

The spelling of 2257707700420 in words is "two trillion, two hundred fifty-seven billion, seven hundred seven million, seven hundred thousand, four hundred twenty".