20452539050 has 24 divisors (see below), whose sum is σ = 38085883776. Its totient is φ = 8171518640.

The previous prime is 20452539017. The next prime is 20452539053. The reversal of 20452539050 is 5093525402.

It is a self number, because there is not a number n which added to its sum of digits gives 20452539050.

It is not an unprimeable number, because it can be changed into a prime (20452539053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193844 + ... + 280143.

It is an arithmetic number, because the mean of its divisors is an integer number (1586911824).

Almost surely, 2^20452539050 is an apocalyptic number.

20452539050 is a deficient number, since it is larger than the sum of its proper divisors (17633344726).

20452539050 is a wasteful number, since it uses less digits than its factorization.

20452539050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474862 (or 474857 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 20452539050 in words is "twenty billion, four hundred fifty-two million, five hundred thirty-nine thousand, fifty".