420553233 has 24 divisors (see below), whose sum is σ = 612830400. Its totient is φ = 277906464.

The previous prime is 420553207. The next prime is 420553249. The reversal of 420553233 is 332355024.

420553233 is a `hidden beast` number, since 420 + 5 + 5 + 3 + 233 = 666.

It is not a de Polignac number, because 420553233 - 2⁶ = 420553169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420553197 and 420553206.

It is not an unprimeable number, because it can be changed into a prime (420553253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863316 + ... + 863802.

It is an arithmetic number, because the mean of its divisors is an integer number (25534600).

Almost surely, 2^420553233 is an apocalyptic number.

It is an amenable number.

420553233 is a deficient number, since it is larger than the sum of its proper divisors (192277167).

420553233 is a wasteful number, since it uses less digits than its factorization.

420553233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 420553233 is about 20507.3945931705. The cubic root of 420553233 is about 749.2159112254.

The spelling of 420553233 in words is "four hundred twenty million, five hundred fifty-three thousand, two hundred thirty-three".