20245938 has 16 divisors (see below), whose sum is σ = 40536480. Its totient is φ = 6741216.

The previous prime is 20245931. The next prime is 20245943. The reversal of 20245938 is 83954202.

It is a happy number.

20245938 is nontrivially palindromic in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 20245899 and 20245908.

It is not an unprimeable number, because it can be changed into a prime (20245931) 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, 8406 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (2533530).

Almost surely, 2^20245938 is an apocalyptic number.

20245938 is an abundant number, since it is smaller than the sum of its proper divisors (20290542).

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

20245938 is a wasteful number, since it uses less digits than its factorization.

20245938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 20245938 is about 4499.5486440309. The cubic root of 20245938 is about 272.5498626595.

The spelling of 20245938 in words is "twenty million, two hundred forty-five thousand, nine hundred thirty-eight".