420541893 has 12 divisors (see below), whose sum is σ = 613348320. Its totient is φ = 277638696.

The previous prime is 420541883. The next prime is 420541949. The reversal of 420541893 is 398145024.

420541893 is a `hidden beast` number, since 4 + 20 + 541 + 8 + 93 = 666.

It is not a de Polignac number, because 420541893 - 2¹⁷ = 420410821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420541813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225903 + ... + 227756.

It is an arithmetic number, because the mean of its divisors is an integer number (51112360).

Almost surely, 2^420541893 is an apocalyptic number.

It is an amenable number.

420541893 is a deficient number, since it is larger than the sum of its proper divisors (192806427).

420541893 is a wasteful number, since it uses less digits than its factorization.

420541893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453768 (or 453765 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 420541893 is about 20507.1181056725. The cubic root of 420541893 is about 749.2091770919.

The spelling of 420541893 in words is "four hundred twenty million, five hundred forty-one thousand, eight hundred ninety-three".