1600420252 has 6 divisors (see below), whose sum is σ = 2800735448. Its totient is φ = 800210124.

The previous prime is 1600420249. The next prime is 1600420267. The reversal of 1600420252 is 2520240061.

It is a super-2 number, since 2×1600420252² = 5122689966023487008, 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 as a sum of consecutive naturals, namely, 200052528 + ... + 200052535.

Almost surely, 2^1600420252 is an apocalyptic number.

It is an amenable number.

1600420252 is a deficient number, since it is larger than the sum of its proper divisors (1200315196).

1600420252 is a wasteful number, since it uses less digits than its factorization.

1600420252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400105067 (or 400105065 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1600420252 is about 40005.2528051005. The cubic root of 1600420252 is about 1169.7094883461.

The spelling of 1600420252 in words is "one billion, six hundred million, four hundred twenty thousand, two hundred fifty-two".