431427020 has 48 divisors (see below), whose sum is σ = 960996960. Its totient is φ = 162130944.

The previous prime is 431427019. The next prime is 431427023. The reversal of 431427020 is 20724134.

It is a super-2 number, since 2×431427020² = 372258547172160800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431427023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362867 + ... + 364053.

It is an arithmetic number, because the mean of its divisors is an integer number (20020770).

Almost surely, 2^431427020 is an apocalyptic number.

It is an amenable number.

431427020 is an abundant number, since it is smaller than the sum of its proper divisors (529569940).

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

431427020 is a wasteful number, since it uses less digits than its factorization.

431427020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 431427020 is about 20770.8213607455. The cubic root of 431427020 is about 755.6182646753.

The spelling of 431427020 in words is "four hundred thirty-one million, four hundred twenty-seven thousand, twenty".