2120700162 has 64 divisors (see below), whose sum is σ = 5111608320. Its totient is φ = 572992704.

The previous prime is 2120700161. The next prime is 2120700193. The reversal of 2120700162 is 2610070212.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2120700161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511048 + ... + 515180.

It is an arithmetic number, because the mean of its divisors is an integer number (79868880).

Almost surely, 2^2120700162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120700162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555804160).

2120700162 is an abundant number, since it is smaller than the sum of its proper divisors (2990908158).

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

2120700162 is a wasteful number, since it uses less digits than its factorization.

2120700162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2120700162 is about 46051.0603786710. The cubic root of 2120700162 is about 1284.7730651448.

Adding to 2120700162 its reverse (2610070212), we get a palindrome (4730770374).

The spelling of 2120700162 in words is "two billion, one hundred twenty million, seven hundred thousand, one hundred sixty-two".