420642504022 has 32 divisors (see below), whose sum is σ = 681465133440. Its totient is φ = 193581394560.

The previous prime is 420642503993. The next prime is 420642504047. The reversal of 420642504022 is 220405246024.

It is a congruent 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, 49888147 + ... + 49896577.

It is an arithmetic number, because the mean of its divisors is an integer number (21295785420).

Almost surely, 2^420642504022 is an apocalyptic number.

420642504022 is a deficient number, since it is larger than the sum of its proper divisors (260822629418).

420642504022 is a wasteful number, since it uses less digits than its factorization.

420642504022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768.

The product of its (nonzero) digits is 30720, while the sum is 31.

The spelling of 420642504022 in words is "four hundred twenty billion, six hundred forty-two million, five hundred four thousand, twenty-two".