23535020 has 48 divisors (see below), whose sum is σ = 50996736. Its totient is φ = 9120000.

The previous prime is 23535019. The next prime is 23535059. The reversal of 23535020 is 2053532.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23534983 and 23535001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123125 + ... + 123315.

It is an arithmetic number, because the mean of its divisors is an integer number (1062432).

Almost surely, 2^23535020 is an apocalyptic number.

23535020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23535020 is an abundant number, since it is smaller than the sum of its proper divisors (27461716).

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

23535020 is a wasteful number, since it uses less digits than its factorization.

23535020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 23535020 is about 4851.2905499465. The cubic root of 23535020 is about 286.5749270774.

Adding to 23535020 its reverse (2053532), we get a palindrome (25588552).

The spelling of 23535020 in words is "twenty-three million, five hundred thirty-five thousand, twenty".