420253330 has 32 divisors (see below), whose sum is σ = 869543424. Its totient is φ = 143249856.

The previous prime is 420253313. The next prime is 420253333. The reversal of 420253330 is 33352024.

It is a super-2 number, since 2×420253330² = 353225722752177800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420253333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5242 + ... + 29461.

It is an arithmetic number, because the mean of its divisors is an integer number (27173232).

Almost surely, 2^420253330 is an apocalyptic number.

420253330 is an abundant number, since it is smaller than the sum of its proper divisors (449290094).

420253330 is a wasteful number, since it uses less digits than its factorization.

420253330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34890.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 420253330 is about 20500.0812193513. The cubic root of 420253330 is about 749.0377763993.

The spelling of 420253330 in words is "four hundred twenty million, two hundred fifty-three thousand, three hundred thirty".