2150920 has 16 divisors (see below), whose sum is σ = 4839660. Its totient is φ = 860352.

The previous prime is 2150917. The next prime is 2150923. The reversal of 2150920 is 290512.

It is an interprime number because it is at equal distance from previous prime (2150917) and next prime (2150923).

It can be written as a sum of positive squares in 2 ways, for example, as 2149156 + 1764 = 1466^2 + 42^2 .

It is not an unprimeable number, because it can be changed into a prime (2150923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26847 + ... + 26926.

2^2150920 is an apocalyptic number.

2150920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150920 is an abundant number, since it is smaller than the sum of its proper divisors (2688740).

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

2150920 is a wasteful number, since it uses less digits than its factorization.

2150920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53784 (or 53780 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2150920 is about 1466.6015137044. The cubic root of 2150920 is about 129.0846948972.

The spelling of 2150920 in words is "two million, one hundred fifty thousand, nine hundred twenty".