23220125201550 has 48 divisors (see below), whose sum is σ = 57586877208432. Its totient is φ = 6191929440000.

The previous prime is 23220125201527. The next prime is 23220125201557. The reversal of 23220125201550 is 5510252102232.

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 (23220125201557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7881312 + ... + 10418988.

It is an arithmetic number, because the mean of its divisors is an integer number (1199726608509).

Almost surely, 2^{23220125201550} is an apocalyptic number.

23220125201550 is an abundant number, since it is smaller than the sum of its proper divisors (34366752006882).

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

23220125201550 is a wasteful number, since it uses less digits than its factorization.

23220125201550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598693 (or 2598688 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 23220125201550 its reverse (5510252102232), we get a palindrome (28730377303782).

The spelling of 23220125201550 in words is "twenty-three trillion, two hundred twenty billion, one hundred twenty-five million, two hundred one thousand, five hundred fifty".