23620066 has 8 divisors (see below), whose sum is σ = 35828460. Its totient is φ = 11677248.

The previous prime is 23620061. The next prime is 23620073. The reversal of 23620066 is 66002632.

It can be written as a sum of positive squares in 2 ways, for example, as 17514225 + 6105841 = 4185^2 + 2471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23620066.

It is not an unprimeable number, because it can be changed into a prime (23620061) 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, 66171 + ... + 66526.

Almost surely, 2^23620066 is an apocalyptic number.

23620066 is a deficient number, since it is larger than the sum of its proper divisors (12208394).

23620066 is a wasteful number, since it uses less digits than its factorization.

23620066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132788.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23620066 is about 4860.0479421504. The cubic root of 23620066 is about 286.9197005702.

Adding to 23620066 its reverse (66002632), we get a palindrome (89622698).

It can be divided in two parts, 236 and 20066, that added together give a palindrome (20302).

The spelling of 23620066 in words is "twenty-three million, six hundred twenty thousand, sixty-six".