20104051244 has 6 divisors (see below), whose sum is σ = 35182089684. Its totient is φ = 10052025620.

The previous prime is 20104051243. The next prime is 20104051277. The reversal of 20104051244 is 44215040102.

It is not an unprimeable number, because it can be changed into a prime (20104051241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513006402 + ... + 2513006409.

It is an arithmetic number, because the mean of its divisors is an integer number (5863681614).

Almost surely, 2^20104051244 is an apocalyptic number.

It is an amenable number.

20104051244 is a deficient number, since it is larger than the sum of its proper divisors (15078038440).

20104051244 is a wasteful number, since it uses less digits than its factorization.

20104051244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026012815 (or 5026012813 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20104051244 its reverse (44215040102), we get a palindrome (64319091346).

The spelling of 20104051244 in words is "twenty billion, one hundred four million, fifty-one thousand, two hundred forty-four".