420730663022 has 4 divisors (see below), whose sum is σ = 631095994536. Its totient is φ = 210365331510.

The previous prime is 420730662991. The next prime is 420730663079. The reversal of 420730663022 is 220366037024.

It is a happy number.

It is a semiprime because it is the product of two primes.

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, 105182665754 + ... + 105182665757.

It is an arithmetic number, because the mean of its divisors is an integer number (157773998634).

Almost surely, 2^420730663022 is an apocalyptic number.

420730663022 is a deficient number, since it is larger than the sum of its proper divisors (210365331514).

420730663022 is a wasteful number, since it uses less digits than its factorization.

420730663022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210365331513.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 420730663022 in words is "four hundred twenty billion, seven hundred thirty million, six hundred sixty-three thousand, twenty-two".