20827494 has 24 divisors (see below), whose sum is σ = 45285240. Its totient is φ = 6918048.

The previous prime is 20827487. The next prime is 20827501. The reversal of 20827494 is 49472802.

It is an interprime number because it is at equal distance from previous prime (20827487) and next prime (20827501).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3642 + ... + 7410.

It is an arithmetic number, because the mean of its divisors is an integer number (1886885).

Almost surely, 2^20827494 is an apocalyptic number.

20827494 is an abundant number, since it is smaller than the sum of its proper divisors (24457746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20827494 is a wasteful number, since it uses less digits than its factorization.

20827494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 20827494 is about 4563.7149341299. The cubic root of 20827494 is about 275.1348936005.

It can be divided in two parts, 20827 and 494, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 20827494 in words is "twenty million, eight hundred twenty-seven thousand, four hundred ninety-four".