20314142 has 4 divisors (see below), whose sum is σ = 30471216. Its totient is φ = 10157070.

The previous prime is 20314127. The next prime is 20314163. The reversal of 20314142 is 24141302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24141302 = 2 ⋅12070651.

It is a self number, because there is not a number n which added to its sum of digits gives 20314142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078534 + ... + 5078537.

It is an arithmetic number, because the mean of its divisors is an integer number (7617804).

Almost surely, 2^20314142 is an apocalyptic number.

20314142 is a deficient number, since it is larger than the sum of its proper divisors (10157074).

20314142 is a wasteful number, since it uses less digits than its factorization.

20314142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157073.

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

The square root of 20314142 is about 4507.1212541932. The cubic root of 20314142 is about 272.8555726374.

Adding to 20314142 its reverse (24141302), we get a palindrome (44455444).

The spelling of 20314142 in words is "twenty million, three hundred fourteen thousand, one hundred forty-two".