20110133412 has 60 divisors (see below), whose sum is σ = 53205328176. Its totient is φ = 6622605360.

The previous prime is 20110133369. The next prime is 20110133431. The reversal of 20110133412 is 21433101102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 347014 + ... + 400797.

Almost surely, 2^20110133412 is an apocalyptic number.

It is an amenable number.

20110133412 is an abundant number, since it is smaller than the sum of its proper divisors (33095194764).

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

20110133412 is a wasteful number, since it uses less digits than its factorization.

20110133412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747910 (or 747899 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20110133412 its reverse (21433101102), we get a palindrome (41543234514).

The spelling of 20110133412 in words is "twenty billion, one hundred ten million, one hundred thirty-three thousand, four hundred twelve".