20143051 has 8 divisors (see below), whose sum is σ = 20404224. Its totient is φ = 19883880.

The previous prime is 20143043. The next prime is 20143061. The reversal of 20143051 is 15034102.

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

It is a cyclic number.

It is not a de Polignac number, because 20143051 - 2³ = 20143043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20143031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30810 + ... + 31456.

It is an arithmetic number, because the mean of its divisors is an integer number (2550528).

Almost surely, 2^20143051 is an apocalyptic number.

20143051 is a deficient number, since it is larger than the sum of its proper divisors (261173).

20143051 is a wasteful number, since it uses less digits than its factorization.

20143051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20143051 is about 4488.1010460996. The cubic root of 20143051 is about 272.0873917211.

Adding to 20143051 its reverse (15034102), we get a palindrome (35177153).

The spelling of 20143051 in words is "twenty million, one hundred forty-three thousand, fifty-one".