20502412150 has 24 divisors (see below), whose sum is σ = 41601259224. Its totient is φ = 7455422400.

The previous prime is 20502412127. The next prime is 20502412157. The reversal of 20502412150 is 5121420502.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20502412157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18638007 + ... + 18639106.

It is an arithmetic number, because the mean of its divisors is an integer number (1733385801).

Almost surely, 2^20502412150 is an apocalyptic number.

20502412150 is an abundant number, since it is smaller than the sum of its proper divisors (21098847074).

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

20502412150 is a wasteful number, since it uses less digits than its factorization.

20502412150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37277136 (or 37277131 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 20502412150 its reverse (5121420502), we get a palindrome (25623832652).

The spelling of 20502412150 in words is "twenty billion, five hundred two million, four hundred twelve thousand, one hundred fifty".