420022220024 has 32 divisors (see below), whose sum is σ = 859504089600. Its totient is φ = 190837473120.

The previous prime is 420022220011. The next prime is 420022220039.

420022220024 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 420022219978 and 420022220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814472 + ... + 1226135.

It is an arithmetic number, because the mean of its divisors is an integer number (26859502800).

Almost surely, 2^420022220024 is an apocalyptic number.

420022220024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420022220024 is an abundant number, since it is smaller than the sum of its proper divisors (439481869576).

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

420022220024 is a wasteful number, since it uses less digits than its factorization.

420022220024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042963 (or 2042959 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

It can be divided in two parts, 420022 and 220024, that added together give a palindrome (640046).

The spelling of 420022220024 in words is "four hundred twenty billion, twenty-two million, two hundred twenty thousand, twenty-four".