20032125450 has 48 divisors (see below), whose sum is σ = 50521721760. Its totient is φ = 5251357120.

The previous prime is 20032125431. The next prime is 20032125499. The reversal of 20032125450 is 5452123002.

It is a self number, because there is not a number n which added to its sum of digits gives 20032125450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1122909 + ... + 1140608.

It is an arithmetic number, because the mean of its divisors is an integer number (1052535870).

Almost surely, 2^20032125450 is an apocalyptic number.

20032125450 is an abundant number, since it is smaller than the sum of its proper divisors (30489596310).

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

20032125450 is a wasteful number, since it uses less digits than its factorization.

20032125450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263591 (or 2263586 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20032125450 its reverse (5452123002), we get a palindrome (25484248452).

The spelling of 20032125450 in words is "twenty billion, thirty-two million, one hundred twenty-five thousand, four hundred fifty".