23203020 has 48 divisors (see below), whose sum is σ = 65253888. Its totient is φ = 6160320.

The previous prime is 23202961. The next prime is 23203031. The reversal of 23203020 is 2030232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 23202987 and 23203005.

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, 15547 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (1359456).

Almost surely, 2^23203020 is an apocalyptic number.

23203020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203020 is an abundant number, since it is smaller than the sum of its proper divisors (42050868).

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

23203020 is a wasteful number, since it uses less digits than its factorization.

23203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23203020 is about 4816.9513180019. The cubic root of 23203020 is about 285.2210043234.

Adding to 23203020 its reverse (2030232), we get a palindrome (25233252).

The spelling of 23203020 in words is "twenty-three million, two hundred three thousand, twenty".