20422030310032 has 80 divisors (see below), whose sum is σ = 46066326496960. Its totient is φ = 8688133633536.

The previous prime is 20422030310027. The next prime is 20422030310039. The reversal of 20422030310032 is 23001303022402.

It is a junction number, because it is equal to n+sod(n) for n = 20422030309985 and 20422030310012.

It is not an unprimeable number, because it can be changed into a prime (20422030310039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69685098 + ... + 69977545.

It is an arithmetic number, because the mean of its divisors is an integer number (575829081212).

Almost surely, 2^{20422030310032} is an apocalyptic number.

It is an amenable number.

20422030310032 is an abundant number, since it is smaller than the sum of its proper divisors (25644296186928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422030310032 is a wasteful number, since it uses less digits than its factorization.

20422030310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139662720 (or 139662714 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20422030310032 its reverse (23001303022402), we get a palindrome (43423333332434).

The spelling of 20422030310032 in words is "twenty trillion, four hundred twenty-two billion, thirty million, three hundred ten thousand, thirty-two".