20260142 has 8 divisors (see below), whose sum is σ = 34731696. Its totient is φ = 8682912.

The previous prime is 20260117. The next prime is 20260159. The reversal of 20260142 is 24106202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20260142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723563 + ... + 723590.

It is an arithmetic number, because the mean of its divisors is an integer number (4341462).

Almost surely, 2^20260142 is an apocalyptic number.

20260142 is a deficient number, since it is larger than the sum of its proper divisors (14471554).

20260142 is a wasteful number, since it uses less digits than its factorization.

20260142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447162.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20260142 is about 4501.1267478266. The cubic root of 20260142 is about 272.6135856192.

Adding to 20260142 its reverse (24106202), we get a palindrome (44366344).

It can be divided in two parts, 20260 and 142, that added together give a palindrome (20402).

The spelling of 20260142 in words is "twenty million, two hundred sixty thousand, one hundred forty-two".