420252370 has 16 divisors (see below), whose sum is σ = 770727960. Its totient is φ = 164929024.

The previous prime is 420252361. The next prime is 420252377. The reversal of 420252370 is 73252024.

It can be written as a sum of positive squares in 4 ways, for example, as 371294361 + 48958009 = 19269^2 + 6997^2 .

It is a super-2 number, since 2×420252370² = 353224108981233800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420252377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395935 + ... + 396994.

Almost surely, 2^420252370 is an apocalyptic number.

420252370 is a deficient number, since it is larger than the sum of its proper divisors (350475590).

420252370 is a wasteful number, since it uses less digits than its factorization.

420252370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792989.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 420252370 is about 20500.0578047966. The cubic root of 420252370 is about 749.0372060474.

The spelling of 420252370 in words is "four hundred twenty million, two hundred fifty-two thousand, three hundred seventy".