20383470 has 24 divisors (see below), whose sum is σ = 52997256. Its totient is φ = 5435568.

The previous prime is 20383463. The next prime is 20383471. The reversal of 20383470 is 7438302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20383471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113152 + ... + 113331.

It is an arithmetic number, because the mean of its divisors is an integer number (2208219).

Almost surely, 2^20383470 is an apocalyptic number.

20383470 is an abundant number, since it is smaller than the sum of its proper divisors (32613786).

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

20383470 is a wasteful number, since it uses less digits than its factorization.

20383470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226496 (or 226493 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20383470 is about 4514.8056436573. The cubic root of 20383470 is about 273.1656202294.

The spelling of 20383470 in words is "twenty million, three hundred eighty-three thousand, four hundred seventy".