100220023242 has 48 divisors (see below), whose sum is σ = 218486211840. Its totient is φ = 33200309376.

The previous prime is 100220023187. The next prime is 100220023243. The reversal of 100220023242 is 242320022001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100220023243) 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, 6026503 + ... + 6043109.

It is an arithmetic number, because the mean of its divisors is an integer number (4551796080).

Almost surely, 2^100220023242 is an apocalyptic number.

100220023242 is an abundant number, since it is smaller than the sum of its proper divisors (118266188598).

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

100220023242 is a wasteful number, since it uses less digits than its factorization.

100220023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18667 (or 18664 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 100220023242 its reverse (242320022001), we get a palindrome (342540045243).

The spelling of 100220023242 in words is "one hundred billion, two hundred twenty million, twenty-three thousand, two hundred forty-two".