2220201937957 has 2 divisors, whose sum is σ = 2220201937958. Its totient is φ = 2220201937956.

The previous prime is 2220201937951. The next prime is 2220201937973. The reversal of 2220201937957 is 7597391020222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205673492801 + 14528445156 = 1485151^2 + 120534^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220201937957 - 2³⁹ = 1670446124069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220201937957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220201937951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110100968978 + 1110100968979.

It is an arithmetic number, because the mean of its divisors is an integer number (1110100968979).

Almost surely, 2^{2220201937957} is an apocalyptic number.

It is an amenable number.

2220201937957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220201937957 is an equidigital number, since it uses as much as digits as its factorization.

2220201937957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 2220201937957 in words is "two trillion, two hundred twenty billion, two hundred one million, nine hundred thirty-seven thousand, nine hundred fifty-seven".