10220131238 has 4 divisors (see below), whose sum is σ = 15330196860. Its totient is φ = 5110065618.

The previous prime is 10220131237. The next prime is 10220131249. The reversal of 10220131238 is 83213102201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220131237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555032808 + ... + 2555032811.

It is an arithmetic number, because the mean of its divisors is an integer number (3832549215).

Almost surely, 2^10220131238 is an apocalyptic number.

10220131238 is a deficient number, since it is larger than the sum of its proper divisors (5110065622).

10220131238 is an equidigital number, since it uses as much as digits as its factorization.

10220131238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110065621.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10220131238 its reverse (83213102201), we get a palindrome (93433233439).

The spelling of 10220131238 in words is "ten billion, two hundred twenty million, one hundred thirty-one thousand, two hundred thirty-eight".