20133031110 has 16 divisors (see below), whose sum is σ = 48319274736. Its totient is φ = 5368808288.

The previous prime is 20133031103. The next prime is 20133031111. The reversal of 20133031110 is 1113033102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20133031110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133031111) 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, 335550489 + ... + 335550548.

It is an arithmetic number, because the mean of its divisors is an integer number (3019954671).

Almost surely, 2^20133031110 is an apocalyptic number.

20133031110 is an abundant number, since it is smaller than the sum of its proper divisors (28186243626).

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

20133031110 is a wasteful number, since it uses less digits than its factorization.

20133031110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671101047.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20133031110 its reverse (1113033102), we get a palindrome (21246064212).

The spelling of 20133031110 in words is "twenty billion, one hundred thirty-three million, thirty-one thousand, one hundred ten".