20120005050 has 48 divisors (see below), whose sum is σ = 50058171072. Its totient is φ = 5348070400.

The previous prime is 20120005039. The next prime is 20120005057. The reversal of 20120005050 is 5050002102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20120005057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168999 + ... + 262298.

It is an arithmetic number, because the mean of its divisors is an integer number (1042878564).

Almost surely, 2^20120005050 is an apocalyptic number.

20120005050 is an abundant number, since it is smaller than the sum of its proper divisors (29938166022).

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

20120005050 is a wasteful number, since it uses less digits than its factorization.

20120005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431623 (or 431618 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

Adding to 20120005050 its reverse (5050002102), we get a palindrome (25170007152).

The spelling of 20120005050 in words is "twenty billion, one hundred twenty million, five thousand, fifty".