20140455244 has 48 divisors (see below), whose sum is σ = 43417405696. Its totient is φ = 7960680000.

The previous prime is 20140455239. The next prime is 20140455299. The reversal of 20140455244 is 44255404102.

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, 402619 + ... + 449869.

Almost surely, 2^20140455244 is an apocalyptic number.

It is an amenable number.

20140455244 is an abundant number, since it is smaller than the sum of its proper divisors (23276950452).

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

20140455244 is a wasteful number, since it uses less digits than its factorization.

20140455244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48446 (or 48444 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 20140455244 its reverse (44255404102), we get a palindrome (64395859346).

The spelling of 20140455244 in words is "twenty billion, one hundred forty million, four hundred fifty-five thousand, two hundred forty-four".