10142120220 has 96 divisors (see below), whose sum is σ = 28571538240. Its totient is φ = 2688092160.

The previous prime is 10142120203. The next prime is 10142120231. The reversal of 10142120220 is 2202124101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10142120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9558490 + ... + 9559550.

It is an arithmetic number, because the mean of its divisors is an integer number (297620190).

Almost surely, 2^10142120220 is an apocalyptic number.

10142120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142120220 is an abundant number, since it is smaller than the sum of its proper divisors (18429418020).

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

10142120220 is a wasteful number, since it uses less digits than its factorization.

10142120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10142120220 its reverse (2202124101), we get a palindrome (12344244321).

The spelling of 10142120220 in words is "ten billion, one hundred forty-two million, one hundred twenty thousand, two hundred twenty".