20378322 has 24 divisors (see below), whose sum is σ = 46073664. Its totient is φ = 6497304.

The previous prime is 20378321. The next prime is 20378327. The reversal of 20378322 is 22387302.

It is not an unprimeable number, because it can be changed into a prime (20378321) 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, 24198 + ... + 25025.

It is an arithmetic number, because the mean of its divisors is an integer number (1919736).

Almost surely, 2^20378322 is an apocalyptic number.

20378322 is an abundant number, since it is smaller than the sum of its proper divisors (25695342).

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

20378322 is a wasteful number, since it uses less digits than its factorization.

20378322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49254 (or 49251 counting only the distinct ones).

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

The square root of 20378322 is about 4514.2354834457. The cubic root of 20378322 is about 273.1426216099.

The spelling of 20378322 in words is "twenty million, three hundred seventy-eight thousand, three hundred twenty-two".