2023720 has 16 divisors (see below), whose sum is σ = 4553460. Its totient is φ = 809472.

The previous prime is 2023667. The next prime is 2023727. The reversal of 2023720 is 273202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2010724 + 12996 = 1418^2 + 114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2023694 and 2023703.

It is not an unprimeable number, because it can be changed into a prime (2023727) 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, 25257 + ... + 25336.

2^2023720 is an apocalyptic number.

2023720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023720 is an abundant number, since it is smaller than the sum of its proper divisors (2529740).

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

2023720 is a wasteful number, since it uses less digits than its factorization.

2023720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50604 (or 50600 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 2023720 is about 1422.5751298262. The cubic root of 2023720 is about 126.4882375394.

Adding to 2023720 its reverse (273202), we get a palindrome (2296922).

The spelling of 2023720 in words is "two million, twenty-three thousand, seven hundred twenty".