23150350520220 has 384 divisors, whose sum is σ = 85277055467520. Its totient is φ = 4549609912320.

The previous prime is 23150350520203. The next prime is 23150350520221. The reversal of 23150350520220 is 2202505305132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23150350520221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8233179 + ... + 10681101.

It is an arithmetic number, because the mean of its divisors is an integer number (222075665280).

Almost surely, 2^{23150350520220} is an apocalyptic number.

23150350520220 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 23150350520220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42638527733760).

23150350520220 is an abundant number, since it is smaller than the sum of its proper divisors (62126704947300).

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

23150350520220 is a wasteful number, since it uses less digits than its factorization.

23150350520220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448065 (or 2448063 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 23150350520220 its reverse (2202505305132), we get a palindrome (25352855825352).

The spelling of 23150350520220 in words is "twenty-three trillion, one hundred fifty billion, three hundred fifty million, five hundred twenty thousand, two hundred twenty".