20422412332520 has 64 divisors (see below), whose sum is σ = 50346638035200. Its totient is φ = 7393902324480.

The previous prime is 20422412332499. The next prime is 20422412332537. The reversal of 20422412332520 is 2523321422402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101241104 + ... + 101442623.

It is an arithmetic number, because the mean of its divisors is an integer number (786666219300).

Almost surely, 2^{20422412332520} is an apocalyptic number.

20422412332520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422412332520 is an abundant number, since it is smaller than the sum of its proper divisors (29924225702680).

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

20422412332520 is a wasteful number, since it uses less digits than its factorization.

20422412332520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202683978 (or 202683974 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 20422412332520 its reverse (2523321422402), we get a palindrome (22945733754922).

The spelling of 20422412332520 in words is "twenty trillion, four hundred twenty-two billion, four hundred twelve million, three hundred thirty-two thousand, five hundred twenty".