20302150 has 24 divisors (see below), whose sum is σ = 41196024. Its totient is φ = 7382400.

The previous prime is 20302147. The next prime is 20302151. The reversal of 20302150 is 5120302.

It is a self number, because there is not a number n which added to its sum of digits gives 20302150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302151) 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, 17907 + ... + 19006.

It is an arithmetic number, because the mean of its divisors is an integer number (1716501).

Almost surely, 2^20302150 is an apocalyptic number.

20302150 is an abundant number, since it is smaller than the sum of its proper divisors (20893874).

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

20302150 is a wasteful number, since it uses less digits than its factorization.

20302150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36936 (or 36931 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 20302150 is about 4505.7907186198. The cubic root of 20302150 is about 272.8018706711.

Adding to 20302150 its reverse (5120302), we get a palindrome (25422452).

The spelling of 20302150 in words is "twenty million, three hundred two thousand, one hundred fifty".