20113103244 has 48 divisors (see below), whose sum is σ = 51369177440. Its totient is φ = 6087191040.

The previous prime is 20113103221. The next prime is 20113103267. The reversal of 20113103244 is 44230131102.

It is an interprime number because it is at equal distance from previous prime (20113103221) and next prime (20113103267).

It is a super-4 number, since 4×20113103244⁴ (a number of 42 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113103244.

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, 1047289 + ... + 1066320.

Almost surely, 2^20113103244 is an apocalyptic number.

It is an amenable number.

20113103244 is an abundant number, since it is smaller than the sum of its proper divisors (31256074196).

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

20113103244 is a wasteful number, since it uses less digits than its factorization.

20113103244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113690 (or 2113688 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20113103244 its reverse (44230131102), we get a palindrome (64343234346).

The spelling of 20113103244 in words is "twenty billion, one hundred thirteen million, one hundred three thousand, two hundred forty-four".