2110431130220 has 48 divisors (see below), whose sum is σ = 5362977936960. Its totient is φ = 681013069824.

The previous prime is 2110431130207. The next prime is 2110431130309. The reversal of 2110431130220 is 220311340112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2110431130192 and 2110431130201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443365505 + ... + 443370264.

It is an arithmetic number, because the mean of its divisors is an integer number (111728707020).

Almost surely, 2^{2110431130220} is an apocalyptic number.

2110431130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110431130220 is an abundant number, since it is smaller than the sum of its proper divisors (3252546806740).

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

2110431130220 is a wasteful number, since it uses less digits than its factorization.

2110431130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886735802 (or 886735800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2110431130220 its reverse (220311340112), we get a palindrome (2330742470332).

The spelling of 2110431130220 in words is "two trillion, one hundred ten billion, four hundred thirty-one million, one hundred thirty thousand, two hundred twenty".