406133020 has 12 divisors (see below), whose sum is σ = 852879384. Its totient is φ = 162453200.

The previous prime is 406132997. The next prime is 406133047. The reversal of 406133020 is 20331604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10153306 + ... + 10153345.

It is an arithmetic number, because the mean of its divisors is an integer number (71073282).

Almost surely, 2^406133020 is an apocalyptic number.

It is an amenable number.

406133020 is an abundant number, since it is smaller than the sum of its proper divisors (446746364).

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

406133020 is a wasteful number, since it uses less digits than its factorization.

406133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20306660 (or 20306658 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 406133020 is about 20152.7422451636. The cubic root of 406133020 is about 740.5529225257.

Adding to 406133020 its reverse (20331604), we get a palindrome (426464624).

The spelling of 406133020 in words is "four hundred six million, one hundred thirty-three thousand, twenty".