2210156012020 has 96 divisors (see below), whose sum is σ = 5128942694400. Its totient is φ = 793274601600.

The previous prime is 2210156012003. The next prime is 2210156012039. The reversal of 2210156012020 is 202106510122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2210156011982 and 2210156012000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61837555 + ... + 61873285.

It is an arithmetic number, because the mean of its divisors is an integer number (53426486400).

Almost surely, 2^{2210156012020} is an apocalyptic number.

2210156012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210156012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564471347200).

2210156012020 is an abundant number, since it is smaller than the sum of its proper divisors (2918786682380).

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

2210156012020 is a wasteful number, since it uses less digits than its factorization.

2210156012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39389 (or 39387 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 2210156012020 in words is "two trillion, two hundred ten billion, one hundred fifty-six million, twelve thousand, twenty".