2620023 has 32 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1367040.

The previous prime is 2620021. The next prime is 2620031. The reversal of 2620023 is 3200262.

It is not a de Polignac number, because 2620023 - 2¹ = 2620021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2619984 and 2620011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620021) 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, 14548 + ... + 14726.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^2620023 is an apocalyptic number.

2620023 is a deficient number, since it is larger than the sum of its proper divisors (1734537).

2620023 is a wasteful number, since it uses less digits than its factorization.

2620023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2620023 is about 1618.6485103320. The cubic root of 2620023 is about 137.8589716579.

Adding to 2620023 its reverse (3200262), we get a palindrome (5820285).

The spelling of 2620023 in words is "two million, six hundred twenty thousand, twenty-three".