20200623 has 16 divisors (see below), whose sum is σ = 28148736. Its totient is φ = 12870720.

The previous prime is 20200619. The next prime is 20200651. The reversal of 20200623 is 32600202.

It is not a de Polignac number, because 20200623 - 2² = 20200619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6411 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (1759296).

Almost surely, 2^20200623 is an apocalyptic number.

20200623 is a deficient number, since it is larger than the sum of its proper divisors (7948113).

20200623 is a wasteful number, since it uses less digits than its factorization.

20200623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734.

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

The square root of 20200623 is about 4494.5103181548. The cubic root of 20200623 is about 272.3463679638.

Adding to 20200623 its reverse (32600202), we get a palindrome (52800825).

The spelling of 20200623 in words is "twenty million, two hundred thousand, six hundred twenty-three".