20142001 has 16 divisors (see below), whose sum is σ = 22524480. Its totient is φ = 17858880.

The previous prime is 20141939. The next prime is 20142007. The reversal of 20142001 is 10024102.

It is a cyclic number.

It is not a de Polignac number, because 20142001 - 2¹⁵ = 20109233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20142007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128215 + ... + 128371.

It is an arithmetic number, because the mean of its divisors is an integer number (1407780).

Almost surely, 2^20142001 is an apocalyptic number.

It is an amenable number.

20142001 is a deficient number, since it is larger than the sum of its proper divisors (2382479).

20142001 is a wasteful number, since it uses less digits than its factorization.

20142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20142001 is about 4487.9840685992. The cubic root of 20142001 is about 272.0826639248.

Adding to 20142001 its reverse (10024102), we get a palindrome (30166103).

The spelling of 20142001 in words is "twenty million, one hundred forty-two thousand, one".