20203120110 has 192 divisors, whose sum is σ = 52819895232. Its totient is φ = 4943314944.

The previous prime is 20203120103. The next prime is 20203120123. The reversal of 20203120110 is 1102130202.

It is a super-3 number, since 3×20203120110³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 86708554 + ... + 86708786.

It is an arithmetic number, because the mean of its divisors is an integer number (275103621).

Almost surely, 2^20203120110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20203120110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26409947616).

20203120110 is an abundant number, since it is smaller than the sum of its proper divisors (32616775122).

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

20203120110 is a wasteful number, since it uses less digits than its factorization.

20203120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20203120110 its reverse (1102130202), we get a palindrome (21305250312).

The spelling of 20203120110 in words is "twenty billion, two hundred three million, one hundred twenty thousand, one hundred ten".