20452331255131 has 2 divisors, whose sum is σ = 20452331255132. Its totient is φ = 20452331255130.

The previous prime is 20452331255011. The next prime is 20452331255171. The reversal of 20452331255131 is 13155213325402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20452331255131 - 2¹⁷ = 20452331124059 is a prime.

It is a super-2 number, since 2×20452331255131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20452331255171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226165627565 + 10226165627566.

It is an arithmetic number, because the mean of its divisors is an integer number (10226165627566).

Almost surely, 2^{20452331255131} is an apocalyptic number.

20452331255131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20452331255131 is an equidigital number, since it uses as much as digits as its factorization.

20452331255131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 20452331255131 in words is "twenty trillion, four hundred fifty-two billion, three hundred thirty-one million, two hundred fifty-five thousand, one hundred thirty-one".