10142232420 has 24 divisors (see below), whose sum is σ = 28398250944. Its totient is φ = 2704595296.

The previous prime is 10142232383. The next prime is 10142232427. The reversal of 10142232420 is 2423224101.

It is a super-2 number, since 2×10142232420² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10142232427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84518544 + ... + 84518663.

It is an arithmetic number, because the mean of its divisors is an integer number (1183260456).

Almost surely, 2^10142232420 is an apocalyptic number.

10142232420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142232420 is an abundant number, since it is smaller than the sum of its proper divisors (18256018524).

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

10142232420 is a wasteful number, since it uses less digits than its factorization.

10142232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169037219 (or 169037217 counting only the distinct ones).

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

Adding to 10142232420 its reverse (2423224101), we get a palindrome (12565456521).

The spelling of 10142232420 in words is "ten billion, one hundred forty-two million, two hundred thirty-two thousand, four hundred twenty".