420010254 has 48 divisors (see below), whose sum is σ = 930543120. Its totient is φ = 136874880.

The previous prime is 420010247. The next prime is 420010271. The reversal of 420010254 is 452010024.

It is a super-2 number, since 2×420010254² = 352817226930289032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195474 + ... + 197610.

It is an arithmetic number, because the mean of its divisors is an integer number (19386315).

Almost surely, 2^420010254 is an apocalyptic number.

420010254 is an abundant number, since it is smaller than the sum of its proper divisors (510532866).

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

420010254 is a wasteful number, since it uses less digits than its factorization.

420010254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 420010254 is about 20494.1517023760. The cubic root of 420010254 is about 748.8933331879.

Adding to 420010254 its reverse (452010024), we get a palindrome (872020278).

The spelling of 420010254 in words is "four hundred twenty million, ten thousand, two hundred fifty-four".