406262020 has 24 divisors (see below), whose sum is σ = 853663104. Its totient is φ = 162407136.

The previous prime is 406261997. The next prime is 406262029. The reversal of 406262020 is 20262604.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 406261982 and 406262000.

It is not an unprimeable number, because it can be changed into a prime (406262029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34629 + ... + 44851.

It is an arithmetic number, because the mean of its divisors is an integer number (35569296).

Almost surely, 2^406262020 is an apocalyptic number.

It is an amenable number.

406262020 is an abundant number, since it is smaller than the sum of its proper divisors (447401084).

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

406262020 is a wasteful number, since it uses less digits than its factorization.

406262020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12219 (or 12217 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 406262020 is about 20155.9425480427. The cubic root of 406262020 is about 740.6313214816.

The spelling of 406262020 in words is "four hundred six million, two hundred sixty-two thousand, twenty".