420202494 has 12 divisors (see below), whose sum is σ = 910438776. Its totient is φ = 140067492.

The previous prime is 420202463. The next prime is 420202507. The reversal of 420202494 is 494202024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11672274 + ... + 11672309.

It is an arithmetic number, because the mean of its divisors is an integer number (75869898).

Almost surely, 2^420202494 is an apocalyptic number.

420202494 is an abundant number, since it is smaller than the sum of its proper divisors (490236282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420202494 is a wasteful number, since it uses less digits than its factorization.

420202494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23344591 (or 23344588 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 420202494 is about 20498.8412843263. The cubic root of 420202494 is about 749.0075726966.

The spelling of 420202494 in words is "four hundred twenty million, two hundred two thousand, four hundred ninety-four".