20470896289531 has 2 divisors, whose sum is σ = 20470896289532. Its totient is φ = 20470896289530.

The previous prime is 20470896289517. The next prime is 20470896289549. The reversal of 20470896289531 is 13598269807402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20470896289531 - 2²⁷ = 20470762071803 is a prime.

It is a super-2 number, since 2×20470896289531² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20470896289561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10235448144765 + 10235448144766.

It is an arithmetic number, because the mean of its divisors is an integer number (10235448144766).

It is a 1-persistent number, because it is pandigital, but 2⋅20470896289531 = 40941792579062 is not.

Almost surely, 2^{20470896289531} is an apocalyptic number.

20470896289531 is a deficient number, since it is larger than the sum of its proper divisors (1).

20470896289531 is an equidigital number, since it uses as much as digits as its factorization.

20470896289531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 20470896289531 in words is "twenty trillion, four hundred seventy billion, eight hundred ninety-six million, two hundred eighty-nine thousand, five hundred thirty-one".