20103012344 has 32 divisors (see below), whose sum is σ = 38232810000. Its totient is φ = 9908140032.

The previous prime is 20103012343. The next prime is 20103012353. The reversal of 20103012344 is 44321030102.

It is a super-2 number, since 2×20103012344² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103012343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264422 + ... + 331850.

Almost surely, 2^20103012344 is an apocalyptic number.

It is an amenable number.

20103012344 is a deficient number, since it is larger than the sum of its proper divisors (18129797656).

20103012344 is a wasteful number, since it uses less digits than its factorization.

20103012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67967 (or 67963 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20103012344 its reverse (44321030102), we get a palindrome (64424042446).

The spelling of 20103012344 in words is "twenty billion, one hundred three million, twelve thousand, three hundred forty-four".