20441539250 has 32 divisors (see below), whose sum is σ = 41745345408. Its totient is φ = 7433286000.

The previous prime is 20441539243. The next prime is 20441539273. The reversal of 20441539250 is 5293514402.

It is a self number, because there is not a number n which added to its sum of digits gives 20441539250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3713894 + ... + 3719393.

It is an arithmetic number, because the mean of its divisors is an integer number (1304542044).

Almost surely, 2^20441539250 is an apocalyptic number.

20441539250 is an abundant number, since it is smaller than the sum of its proper divisors (21303806158).

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

20441539250 is a wasteful number, since it uses less digits than its factorization.

20441539250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433315 (or 7433305 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 20441539250 in words is "twenty billion, four hundred forty-one million, five hundred thirty-nine thousand, two hundred fifty".