20892116 has 24 divisors (see below), whose sum is σ = 44243136. Its totient is φ = 8426880.

The previous prime is 20892101. The next prime is 20892121. The reversal of 20892116 is 61129802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21470 + ... + 22421.

It is an arithmetic number, because the mean of its divisors is an integer number (1843464).

Almost surely, 2^20892116 is an apocalyptic number.

It is an amenable number.

20892116 is an abundant number, since it is smaller than the sum of its proper divisors (23351020).

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

20892116 is a wasteful number, since it uses less digits than its factorization.

20892116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43919 (or 43917 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 20892116 is about 4570.7894285342. The cubic root of 20892116 is about 275.4191558381.

The spelling of 20892116 in words is "twenty million, eight hundred ninety-two thousand, one hundred sixteen".