20245150 has 24 divisors (see below), whose sum is σ = 37910520. Its totient is φ = 8043360.

The previous prime is 20245123. The next prime is 20245151. The reversal of 20245150 is 5154202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245151) 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, 6561 + ... + 9139.

It is an arithmetic number, because the mean of its divisors is an integer number (1579605).

Almost surely, 2^20245150 is an apocalyptic number.

20245150 is a deficient number, since it is larger than the sum of its proper divisors (17665370).

20245150 is a wasteful number, since it uses less digits than its factorization.

20245150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 20245150 is about 4499.4610788404. The cubic root of 20245150 is about 272.5463266074.

Adding to 20245150 its reverse (5154202), we get a palindrome (25399352).

The spelling of 20245150 in words is "twenty million, two hundred forty-five thousand, one hundred fifty".