20100112030 has 16 divisors (see below), whose sum is σ = 36280988640. Its totient is φ = 8017647712.

The previous prime is 20100112001. The next prime is 20100112033. The reversal of 20100112030 is 3021100102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20100111998 and 20100112016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100112033) 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, 2795869 + ... + 2803048.

It is an arithmetic number, because the mean of its divisors is an integer number (2267561790).

Almost surely, 2^20100112030 is an apocalyptic number.

20100112030 is a deficient number, since it is larger than the sum of its proper divisors (16180876610).

20100112030 is a wasteful number, since it uses less digits than its factorization.

20100112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599283.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20100112030 its reverse (3021100102), we get a palindrome (23121212132).

The spelling of 20100112030 in words is "twenty billion, one hundred million, one hundred twelve thousand, thirty".