431200020 has 24 divisors (see below), whose sum is σ = 1207360224. Its totient is φ = 114986656.

The previous prime is 431199991. The next prime is 431200039. The reversal of 431200020 is 20002134.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 431199969 and 431200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593274 + ... + 3593393.

It is an arithmetic number, because the mean of its divisors is an integer number (50306676).

Almost surely, 2^431200020 is an apocalyptic number.

It is an amenable number.

431200020 is an abundant number, since it is smaller than the sum of its proper divisors (776160204).

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

431200020 is a wasteful number, since it uses less digits than its factorization.

431200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186679 (or 7186677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 431200020 is about 20765.3562454392. The cubic root of 431200020 is about 755.4857158469.

Adding to 431200020 its reverse (20002134), we get a palindrome (451202154).

The spelling of 431200020 in words is "four hundred thirty-one million, two hundred thousand, twenty".