20303431022 has 16 divisors (see below), whose sum is σ = 34875090432. Its totient is φ = 8684168280.

The previous prime is 20303431009. The next prime is 20303431051. The reversal of 20303431022 is 22013430302.

It is a super-2 number, since 2×20303431022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20303430985 and 20303431003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434554 + ... + 1448637.

It is an arithmetic number, because the mean of its divisors is an integer number (2179693152).

Almost surely, 2^20303431022 is an apocalyptic number.

20303431022 is a deficient number, since it is larger than the sum of its proper divisors (14571659410).

20303431022 is a wasteful number, since it uses less digits than its factorization.

20303431022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883703.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20303431022 its reverse (22013430302), we get a palindrome (42316861324).

The spelling of 20303431022 in words is "twenty billion, three hundred three million, four hundred thirty-one thousand, twenty-two".