20220403631 has 2 divisors, whose sum is σ = 20220403632. Its totient is φ = 20220403630.

The previous prime is 20220403603. The next prime is 20220403633. The reversal of 20220403631 is 13630402202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20220403631 - 2¹⁰ = 20220402607 is a prime.

It is a super-2 number, since 2×20220403631² (a number of 21 digits) contains 22 as substring.

Together with 20220403633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220403597 and 20220403606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220403633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110201815 + 10110201816.

It is an arithmetic number, because the mean of its divisors is an integer number (10110201816).

Almost surely, 2^20220403631 is an apocalyptic number.

20220403631 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220403631 is an equidigital number, since it uses as much as digits as its factorization.

20220403631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20220403631 its reverse (13630402202), we get a palindrome (33850805833).

The spelling of 20220403631 in words is "twenty billion, two hundred twenty million, four hundred three thousand, six hundred thirty-one".