420307620243 has 32 divisors (see below), whose sum is σ = 674254909440. Its totient is φ = 227508873120.

The previous prime is 420307620233. The next prime is 420307620263. The reversal of 420307620243 is 342026703024.

It is not a de Polignac number, because 420307620243 - 2⁶ = 420307620179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420307620233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3721698 + ... + 3832968.

It is an arithmetic number, because the mean of its divisors is an integer number (21070465920).

Almost surely, 2^420307620243 is an apocalyptic number.

420307620243 is a deficient number, since it is larger than the sum of its proper divisors (253947289197).

420307620243 is a wasteful number, since it uses less digits than its factorization.

420307620243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120767.

The product of its (nonzero) digits is 48384, while the sum is 33.

The spelling of 420307620243 in words is "four hundred twenty billion, three hundred seven million, six hundred twenty thousand, two hundred forty-three".