420402033 has 6 divisors (see below), whose sum is σ = 607247394. Its totient is φ = 280268016.

The previous prime is 420402023. The next prime is 420402041. The reversal of 420402033 is 330204024.

420402033 is a `hidden beast` number, since 420 + 40 + 203 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 339185889 + 81216144 = 18417^2 + 9012^2 .

It is not a de Polignac number, because 420402033 - 2⁵ = 420402001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420401997 and 420402015.

It is not an unprimeable number, because it can be changed into a prime (420402023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23355660 + ... + 23355677.

It is an arithmetic number, because the mean of its divisors is an integer number (101207899).

Almost surely, 2^420402033 is an apocalyptic number.

It is an amenable number.

420402033 is a deficient number, since it is larger than the sum of its proper divisors (186845361).

420402033 is a wasteful number, since it uses less digits than its factorization.

420402033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46711343 (or 46711340 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 420402033 is about 20503.7077866419. The cubic root of 420402033 is about 749.1261128237.

Adding to 420402033 its reverse (330204024), we get a palindrome (750606057).

The spelling of 420402033 in words is "four hundred twenty million, four hundred two thousand, thirty-three".