20200322057 has 2 divisors, whose sum is σ = 20200322058. Its totient is φ = 20200322056.

The previous prime is 20200321969. The next prime is 20200322113. The reversal of 20200322057 is 75022300202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17463358201 + 2736963856 = 132149^2 + 52316^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200322057 - 2¹⁰ = 20200321033 is a prime.

It is a super-2 number, since 2×20200322057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20200372057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100161028 + 10100161029.

It is an arithmetic number, because the mean of its divisors is an integer number (10100161029).

Almost surely, 2^20200322057 is an apocalyptic number.

It is an amenable number.

20200322057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200322057 is an equidigital number, since it uses as much as digits as its factorization.

20200322057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

Adding to 20200322057 its reverse (75022300202), we get a palindrome (95222622259).

The spelling of 20200322057 in words is "twenty billion, two hundred million, three hundred twenty-two thousand, fifty-seven".