20914158 has 16 divisors (see below), whose sum is σ = 41873616. Its totient is φ = 6963840.

The previous prime is 20914151. The next prime is 20914163. The reversal of 20914158 is 85141902.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20914151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8598 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (2617101).

Almost surely, 2^20914158 is an apocalyptic number.

20914158 is an abundant number, since it is smaller than the sum of its proper divisors (20959458).

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

20914158 is a wasteful number, since it uses less digits than its factorization.

20914158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 20914158 is about 4573.1999737602. The cubic root of 20914158 is about 275.5159811240.

The spelling of 20914158 in words is "twenty million, nine hundred fourteen thousand, one hundred fifty-eight".