20002827 has 16 divisors (see below), whose sum is σ = 28804608. Its totient is φ = 12274080.

The previous prime is 20002823. The next prime is 20002831. The reversal of 20002827 is 72820002.

It is an interprime number because it is at equal distance from previous prime (20002823) and next prime (20002831).

It is not a de Polignac number, because 20002827 - 2² = 20002823 is a prime.

It is a super-2 number, since 2×20002827² = 800226175983858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20002823) 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, 21502 + ... + 22412.

It is an arithmetic number, because the mean of its divisors is an integer number (1800288).

Almost surely, 2^20002827 is an apocalyptic number.

20002827 is a deficient number, since it is larger than the sum of its proper divisors (8801781).

20002827 is a wasteful number, since it uses less digits than its factorization.

20002827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20002827 is about 4472.4520120399. The cubic root of 20002827 is about 271.4545504879.

Adding to 20002827 its reverse (72820002), we get a palindrome (92822829).

The spelling of 20002827 in words is "twenty million, two thousand, eight hundred twenty-seven".