20533141050 has 96 divisors (see below), whose sum is σ = 51607679040. Its totient is φ = 5402073600.

The previous prime is 20533141039. The next prime is 20533141073. The reversal of 20533141050 is 5014133502.

It is a self number, because there is not a number n which added to its sum of digits gives 20533141050.

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, 7220929 + ... + 7223771.

It is an arithmetic number, because the mean of its divisors is an integer number (537579990).

Almost surely, 2^20533141050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20533141050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25803839520).

20533141050 is an abundant number, since it is smaller than the sum of its proper divisors (31074537990).

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

20533141050 is a wasteful number, since it uses less digits than its factorization.

20533141050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488 (or 3483 counting only the distinct ones).

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

Adding to 20533141050 its reverse (5014133502), we get a palindrome (25547274552).

The spelling of 20533141050 in words is "twenty billion, five hundred thirty-three million, one hundred forty-one thousand, fifty".