10442123220 has 48 divisors (see below), whose sum is σ = 29345879808. Its totient is φ = 2774286720.

The previous prime is 10442123183. The next prime is 10442123221. The reversal of 10442123220 is 2232124401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10442123221) 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, 304839 + ... + 337358.

It is an arithmetic number, because the mean of its divisors is an integer number (611372496).

Almost surely, 2^10442123220 is an apocalyptic number.

10442123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10442123220 is an abundant number, since it is smaller than the sum of its proper divisors (18903756588).

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

10442123220 is a wasteful number, since it uses less digits than its factorization.

10442123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642480 (or 642478 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10442123220 its reverse (2232124401), we get a palindrome (12674247621).

The spelling of 10442123220 in words is "ten billion, four hundred forty-two million, one hundred twenty-three thousand, two hundred twenty".