420620653808 has 10 divisors (see below), whose sum is σ = 814952516784. Its totient is φ = 210310326896.

The previous prime is 420620653787. The next prime is 420620653847. The reversal of 420620653808 is 808356026024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144395416 + ... + 13144395447.

Almost surely, 2^420620653808 is an apocalyptic number.

It is an amenable number.

420620653808 is a deficient number, since it is larger than the sum of its proper divisors (394331862976).

420620653808 is a wasteful number, since it uses less digits than its factorization.

420620653808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26288790871 (or 26288790865 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 420620653808 in words is "four hundred twenty billion, six hundred twenty million, six hundred fifty-three thousand, eight hundred eight".