420413220988 has 12 divisors (see below), whose sum is σ = 735874026552. Its totient is φ = 210163499120.

The previous prime is 420413220911. The next prime is 420413221001. The reversal of 420413220988 is 889022314024.

It is a happy number.

It is a super-2 number, since 2×420413220988² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10755898 + ... + 10794913.

It is an arithmetic number, because the mean of its divisors is an integer number (61322835546).

Almost surely, 2^420413220988 is an apocalyptic number.

It is an amenable number.

420413220988 is a deficient number, since it is larger than the sum of its proper divisors (315460805564).

420413220988 is a wasteful number, since it uses less digits than its factorization.

420413220988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21555692 (or 21555690 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 420413220988 in words is "four hundred twenty billion, four hundred thirteen million, two hundred twenty thousand, nine hundred eighty-eight".