20038051 has 4 divisors (see below), whose sum is σ = 21859704. Its totient is φ = 18216400.

The previous prime is 20038049. The next prime is 20038061. The reversal of 20038051 is 15083002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20038051 - 2¹ = 20038049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20038061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910810 + ... + 910831.

It is an arithmetic number, because the mean of its divisors is an integer number (5464926).

Almost surely, 2^20038051 is an apocalyptic number.

20038051 is a deficient number, since it is larger than the sum of its proper divisors (1821653).

20038051 is a wasteful number, since it uses less digits than its factorization.

20038051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821652.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20038051 is about 4476.3881645809. The cubic root of 20038051 is about 271.6137964452.

The spelling of 20038051 in words is "twenty million, thirty-eight thousand, fifty-one".