1013022020957 has 2 divisors, whose sum is σ = 1013022020958. Its totient is φ = 1013022020956.

The previous prime is 1013022020953. The next prime is 1013022020963. The reversal of 1013022020957 is 7590202203101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885896970841 + 127125050116 = 941221^2 + 356546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013022020957 - 2² = 1013022020953 is a prime.

It is a super-2 number, since 2×1013022020957² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013022020951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506511010478 + 506511010479.

It is an arithmetic number, because the mean of its divisors is an integer number (506511010479).

Almost surely, 2^{1013022020957} is an apocalyptic number.

It is an amenable number.

1013022020957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013022020957 is an equidigital number, since it uses as much as digits as its factorization.

1013022020957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 1013022020957 in words is "one trillion, thirteen billion, twenty-two million, twenty thousand, nine hundred fifty-seven".