23650820 has 48 divisors (see below), whose sum is σ = 52852800. Its totient is φ = 8864640.

The previous prime is 23650819. The next prime is 23650841. The reversal of 23650820 is 2805632.

It is a super-2 number, since 2×23650820² = 1118722573344800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23650820.

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, 41135 + ... + 41705.

It is an arithmetic number, because the mean of its divisors is an integer number (1101100).

Almost surely, 2^23650820 is an apocalyptic number.

23650820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23650820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26426400).

23650820 is an abundant number, since it is smaller than the sum of its proper divisors (29201980).

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

23650820 is a wasteful number, since it uses less digits than its factorization.

23650820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23650820 is about 4863.2108734868. The cubic root of 23650820 is about 287.0441724432.

The spelling of 23650820 in words is "twenty-three million, six hundred fifty thousand, eight hundred twenty".