110212020 has 72 divisors (see below), whose sum is σ = 353984904. Its totient is φ = 27660288.

The previous prime is 110212019. The next prime is 110212049. The reversal of 110212020 is 20212011.

It can be written as a sum of positive squares in 4 ways, for example, as 23386896 + 86825124 = 4836^2 + 9318^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110211993 and 110212011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14949 + ... + 21068.

It is an arithmetic number, because the mean of its divisors is an integer number (4916457).

Almost surely, 2^110212020 is an apocalyptic number.

110212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110212020 is an abundant number, since it is smaller than the sum of its proper divisors (243772884).

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

110212020 is a wasteful number, since it uses less digits than its factorization.

110212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36049 (or 36044 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 110212020 is about 10498.1912727860. The cubic root of 110212020 is about 479.4496296004.

Adding to 110212020 its reverse (20212011), we get a palindrome (130424031).

Subtracting from 110212020 its reverse (20212011), we obtain a palindrome (90000009).

It can be divided in two parts, 11021 and 2020, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 110212020 in words is "one hundred ten million, two hundred twelve thousand, twenty".