784480020 has 24 divisors (see below), whose sum is σ = 2196544224. Its totient is φ = 209194656.

The previous prime is 784480009. The next prime is 784480027. The reversal of 784480020 is 20084487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (784480027) 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, 6537274 + ... + 6537393.

It is an arithmetic number, because the mean of its divisors is an integer number (91522676).

Almost surely, 2^784480020 is an apocalyptic number.

It is an amenable number.

784480020 is an abundant number, since it is smaller than the sum of its proper divisors (1412064204).

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

784480020 is a wasteful number, since it uses less digits than its factorization.

784480020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13074679 (or 13074677 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 784480020 is about 28008.5704740531. The cubic root of 784480020 is about 922.2754089313.

The spelling of 784480020 in words is "seven hundred eighty-four million, four hundred eighty thousand, twenty".