20113112010 has 16 divisors (see below), whose sum is σ = 48271468896. Its totient is φ = 5363496528.

The previous prime is 20113112009. The next prime is 20113112011. The reversal of 20113112010 is 1021131102.

It is an interprime number because it is at equal distance from previous prime (20113112009) and next prime (20113112011).

It is not an unprimeable number, because it can be changed into a prime (20113112011) 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, 335218504 + ... + 335218563.

It is an arithmetic number, because the mean of its divisors is an integer number (3016966806).

Almost surely, 2^20113112010 is an apocalyptic number.

20113112010 is an abundant number, since it is smaller than the sum of its proper divisors (28158356886).

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

20113112010 is a wasteful number, since it uses less digits than its factorization.

20113112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670437077.

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

Adding to 20113112010 its reverse (1021131102), we get a palindrome (21134243112).

The spelling of 20113112010 in words is "twenty billion, one hundred thirteen million, one hundred twelve thousand, ten".