20927084 has 12 divisors (see below), whose sum is σ = 36654744. Its totient is φ = 10454304.

The previous prime is 20927063. The next prime is 20927107. The reversal of 20927084 is 48072902.

It is a self number, because there is not a number n which added to its sum of digits gives 20927084.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6632 + ... + 9264.

It is an arithmetic number, because the mean of its divisors is an integer number (3054562).

Almost surely, 2^20927084 is an apocalyptic number.

It is an amenable number.

20927084 is a deficient number, since it is larger than the sum of its proper divisors (15727660).

20927084 is a wasteful number, since it uses less digits than its factorization.

20927084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 20927084 is about 4574.6129890954. The cubic root of 20927084 is about 275.5727303387.

Adding to 20927084 its reverse (48072902), we get a palindrome (68999986).

The spelling of 20927084 in words is "twenty million, nine hundred twenty-seven thousand, eighty-four".