23835635220 has 48 divisors (see below), whose sum is σ = 66753308160. Its totient is φ = 6354880896.

The previous prime is 23835635189. The next prime is 23835635221. The reversal of 23835635220 is 2253653832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23835635221) 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, 279114 + ... + 354366.

It is an arithmetic number, because the mean of its divisors is an integer number (1390693920).

Almost surely, 2^23835635220 is an apocalyptic number.

23835635220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23835635220 is an abundant number, since it is smaller than the sum of its proper divisors (42917672940).

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

23835635220 is a wasteful number, since it uses less digits than its factorization.

23835635220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80544 (or 80542 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 23835635220 in words is "twenty-three billion, eight hundred thirty-five million, six hundred thirty-five thousand, two hundred twenty".