220124804257 has 2 divisors, whose sum is σ = 220124804258. Its totient is φ = 220124804256.

The previous prime is 220124804219. The next prime is 220124804303. The reversal of 220124804257 is 752408421022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215250530401 + 4874273856 = 463951^2 + 69816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220124804257 is a prime.

It is not a weakly prime, because it can be changed into another prime (220124804357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110062402128 + 110062402129.

It is an arithmetic number, because the mean of its divisors is an integer number (110062402129).

Almost surely, 2^220124804257 is an apocalyptic number.

It is an amenable number.

220124804257 is a deficient number, since it is larger than the sum of its proper divisors (1).

220124804257 is an equidigital number, since it uses as much as digits as its factorization.

220124804257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 220124804257 in words is "two hundred twenty billion, one hundred twenty-four million, eight hundred four thousand, two hundred fifty-seven".