20634414150 has 96 divisors (see below), whose sum is σ = 59141214720. Its totient is φ = 4663422720.

The previous prime is 20634414131. The next prime is 20634414161. The reversal of 20634414150 is 5141443602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16954 + ... + 203853.

It is an arithmetic number, because the mean of its divisors is an integer number (616054320).

Almost surely, 2^20634414150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20634414150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29570607360).

20634414150 is an abundant number, since it is smaller than the sum of its proper divisors (38506800570).

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

20634414150 is a wasteful number, since it uses less digits than its factorization.

20634414150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220918 (or 220913 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20634414150 its reverse (5141443602), we get a palindrome (25775857752).

The spelling of 20634414150 in words is "twenty billion, six hundred thirty-four million, four hundred fourteen thousand, one hundred fifty".