20062143 has 24 divisors (see below), whose sum is σ = 29837808. Its totient is φ = 12984192.

The previous prime is 20062127. The next prime is 20062151. The reversal of 20062143 is 34126002.

It is a happy number.

20062143 is a `hidden beast` number, since 2 + 0 + 0 + 621 + 43 = 666.

It is not a de Polignac number, because 20062143 - 2⁴ = 20062127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20069143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65196 + ... + 65502.

It is an arithmetic number, because the mean of its divisors is an integer number (1243242).

Almost surely, 2^20062143 is an apocalyptic number.

20062143 is a deficient number, since it is larger than the sum of its proper divisors (9775665).

20062143 is a wasteful number, since it uses less digits than its factorization.

20062143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20062143 is about 4479.0783650211. The cubic root of 20062143 is about 271.7226077396.

Adding to 20062143 its reverse (34126002), we get a palindrome (54188145).

The spelling of 20062143 in words is "twenty million, sixty-two thousand, one hundred forty-three".