20210110200120 has 64 divisors (see below), whose sum is σ = 61657963344000. Its totient is φ = 5298017587328.

The previous prime is 20210110200031. The next prime is 20210110200139. The reversal of 20210110200120 is 2100201101202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20210110200096 and 20210110200105.

It is a congruent number.

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, 1427260590 + ... + 1427274749.

It is an arithmetic number, because the mean of its divisors is an integer number (963405677250).

Almost surely, 2^{20210110200120} is an apocalyptic number.

20210110200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210110200120 is an abundant number, since it is smaller than the sum of its proper divisors (41447853143880).

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

20210110200120 is a wasteful number, since it uses less digits than its factorization.

20210110200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854535412 (or 2854535408 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20210110200120 its reverse (2100201101202), we get a palindrome (22310311301322).

The spelling of 20210110200120 in words is "twenty trillion, two hundred ten billion, one hundred ten million, two hundred thousand, one hundred twenty".