20914134 has 12 divisors (see below), whose sum is σ = 41850684. Its totient is φ = 6967644.

The previous prime is 20914129. The next prime is 20914147. The reversal of 20914134 is 43141902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10269 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (3487557).

Almost surely, 2^20914134 is an apocalyptic number.

20914134 is an abundant number, since it is smaller than the sum of its proper divisors (20936550).

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

20914134 is an frugal number, since it uses more digits than its factorization.

20914134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20914134 is about 4573.1973497762. The cubic root of 20914134 is about 275.5158757346.

Multiplying 20914134 by its sum of digits (24), we get a square (501939216 = 22404²).

Multiplying 20914134 by its product of nonzero digits (864), we get a square (18069811776 = 134424²).

The spelling of 20914134 in words is "twenty million, nine hundred fourteen thousand, one hundred thirty-four".