20200230031957 has 2 divisors, whose sum is σ = 20200230031958. Its totient is φ = 20200230031956.

The previous prime is 20200230031931. The next prime is 20200230031967. The reversal of 20200230031957 is 75913003200202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16000952014161 + 4199278017796 = 4000119^2 + 2049214^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200230031957 - 2⁷ = 20200230031829 is a prime.

It is a super-3 number, since 3×20200230031957³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200230031967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100115015978 + 10100115015979.

It is an arithmetic number, because the mean of its divisors is an integer number (10100115015979).

Almost surely, 2^{20200230031957} is an apocalyptic number.

It is an amenable number.

20200230031957 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200230031957 is an equidigital number, since it uses as much as digits as its factorization.

20200230031957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 20200230031957 in words is "twenty trillion, two hundred billion, two hundred thirty million, thirty-one thousand, nine hundred fifty-seven".