20222010211957 has 2 divisors, whose sum is σ = 20222010211958. Its totient is φ = 20222010211956.

The previous prime is 20222010211951. The next prime is 20222010211961. The reversal of 20222010211957 is 75911201022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18073458161521 + 2148552050436 = 4251289^2 + 1465794^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222010211957 - 2¹¹ = 20222010209909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222010211951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111005105978 + 10111005105979.

It is an arithmetic number, because the mean of its divisors is an integer number (10111005105979).

Almost surely, 2^{20222010211957} is an apocalyptic number.

It is an amenable number.

20222010211957 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222010211957 is an equidigital number, since it uses as much as digits as its factorization.

20222010211957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 20222010211957 in words is "twenty trillion, two hundred twenty-two billion, ten million, two hundred eleven thousand, nine hundred fifty-seven".