20534113050 has 96 divisors (see below), whose sum is σ = 56104605504. Its totient is φ = 4928640000.

The previous prime is 20534113013. The next prime is 20534113097. The reversal of 20534113050 is 5031143502.

It is a self number, because there is not a number n which added to its sum of digits gives 20534113050.

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, 105042 + ... + 228258.

It is an arithmetic number, because the mean of its divisors is an integer number (584422974).

Almost surely, 2^20534113050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20534113050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28052302752).

20534113050 is an abundant number, since it is smaller than the sum of its proper divisors (35570492454).

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

20534113050 is a wasteful number, since it uses less digits than its factorization.

20534113050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123344 (or 123339 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 20534113050 its reverse (5031143502), we get a palindrome (25565256552).

The spelling of 20534113050 in words is "twenty billion, five hundred thirty-four million, one hundred thirteen thousand, fifty".