20525410050 has 24 divisors (see below), whose sum is σ = 50903017296. Its totient is φ = 5473442640.

The previous prime is 20525410039. The next prime is 20525410111. The reversal of 20525410050 is 5001452502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20525410050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68417884 + ... + 68418183.

It is an arithmetic number, because the mean of its divisors is an integer number (2120959054).

Almost surely, 2^20525410050 is an apocalyptic number.

20525410050 is an abundant number, since it is smaller than the sum of its proper divisors (30377607246).

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

20525410050 is a wasteful number, since it uses less digits than its factorization.

20525410050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136836082 (or 136836077 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 20525410050 its reverse (5001452502), we get a palindrome (25526862552).

The spelling of 20525410050 in words is "twenty billion, five hundred twenty-five million, four hundred ten thousand, fifty".