10220399238 has 64 divisors (see below), whose sum is σ = 24164352000. Its totient is φ = 2820074400.

The previous prime is 10220399197. The next prime is 10220399239. The reversal of 10220399238 is 83299302201.

It is a super-2 number, since 2×10220399238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10220399196 and 10220399205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220399239) 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, 641833 + ... + 657563.

It is an arithmetic number, because the mean of its divisors is an integer number (377568000).

Almost surely, 2^10220399238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10220399238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12082176000).

10220399238 is an abundant number, since it is smaller than the sum of its proper divisors (13943952762).

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

10220399238 is a wasteful number, since it uses less digits than its factorization.

10220399238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16273.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 10220399238 in words is "ten billion, two hundred twenty million, three hundred ninety-nine thousand, two hundred thirty-eight".