20010024431 has 2 divisors, whose sum is σ = 20010024432. Its totient is φ = 20010024430.

The previous prime is 20010024421. The next prime is 20010024469. The reversal of 20010024431 is 13442001002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010024431 - 2²² = 20005830127 is a prime.

It is a super-2 number, since 2×20010024431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010024421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005012215 + 10005012216.

It is an arithmetic number, because the mean of its divisors is an integer number (10005012216).

Almost surely, 2^20010024431 is an apocalyptic number.

20010024431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010024431 is an equidigital number, since it uses as much as digits as its factorization.

20010024431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20010024431 its reverse (13442001002), we get a palindrome (33452025433).

The spelling of 20010024431 in words is "twenty billion, ten million, twenty-four thousand, four hundred thirty-one".