420253342 has 16 divisors (see below), whose sum is σ = 644140800. Its totient is φ = 205574040.

The previous prime is 420253333. The next prime is 420253357. The reversal of 420253342 is 243352024.

It is a super-2 number, since 2×420253342² = 353225742924337928, which 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 7 ways as a sum of consecutive naturals, for example, 16459 + ... + 33337.

It is an arithmetic number, because the mean of its divisors is an integer number (40258800).

Almost surely, 2^420253342 is an apocalyptic number.

420253342 is a deficient number, since it is larger than the sum of its proper divisors (223887458).

420253342 is a wasteful number, since it uses less digits than its factorization.

420253342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17151.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 420253342 is about 20500.0815120331. The cubic root of 420253342 is about 749.0377835287.

The spelling of 420253342 in words is "four hundred twenty million, two hundred fifty-three thousand, three hundred forty-two".