20051067 has 4 divisors (see below), whose sum is σ = 26734760. Its totient is φ = 13367376.

The previous prime is 20051063. The next prime is 20051071. The reversal of 20051067 is 76015002.

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

It is an interprime number because it is at equal distance from previous prime (20051063) and next prime (20051071).

It is not a de Polignac number, because 20051067 - 2² = 20051063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20051063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3341842 + ... + 3341847.

It is an arithmetic number, because the mean of its divisors is an integer number (6683690).

Almost surely, 2^20051067 is an apocalyptic number.

20051067 is a deficient number, since it is larger than the sum of its proper divisors (6683693).

20051067 is an equidigital number, since it uses as much as digits as its factorization.

20051067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683692.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 20051067 is about 4477.8417792504. The cubic root of 20051067 is about 271.6725939130.

Adding to 20051067 its reverse (76015002), we get a palindrome (96066069).

The spelling of 20051067 in words is "twenty million, fifty-one thousand, sixty-seven".