20200948057 has 2 divisors, whose sum is σ = 20200948058. Its totient is φ = 20200948056.

The previous prime is 20200947989. The next prime is 20200948073. The reversal of 20200948057 is 75084900202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10630434816 + 9570513241 = 103104^2 + 97829^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200948057 - 2⁷ = 20200947929 is a prime.

It is a super-2 number, since 2×20200948057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20200918057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100474028 + 10100474029.

It is an arithmetic number, because the mean of its divisors is an integer number (10100474029).

Almost surely, 2^20200948057 is an apocalyptic number.

It is an amenable number.

20200948057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200948057 is an equidigital number, since it uses as much as digits as its factorization.

20200948057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 20200948057 in words is "twenty billion, two hundred million, nine hundred forty-eight thousand, fifty-seven".