23220420819162 has 64 divisors (see below), whose sum is σ = 55337755115520. Its totient is φ = 6355195229376.

The previous prime is 23220420819131. The next prime is 23220420819163. The reversal of 23220420819162 is 26191802402232.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (23220420819163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74901948 + ... + 75211319.

It is an arithmetic number, because the mean of its divisors is an integer number (864652423680).

Almost surely, 2^{23220420819162} is an apocalyptic number.

23220420819162 is an abundant number, since it is smaller than the sum of its proper divisors (32117334296358).

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

23220420819162 is a wasteful number, since it uses less digits than its factorization.

23220420819162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150113435.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 23220420819162 in words is "twenty-three trillion, two hundred twenty billion, four hundred twenty million, eight hundred nineteen thousand, one hundred sixty-two".