20214894 has 16 divisors (see below), whose sum is σ = 46205568. Its totient is φ = 5775672.

The previous prime is 20214893. The next prime is 20214911. The reversal of 20214894 is 49841202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240612 + ... + 240695.

It is an arithmetic number, because the mean of its divisors is an integer number (2887848).

Almost surely, 2^20214894 is an apocalyptic number.

20214894 is an abundant number, since it is smaller than the sum of its proper divisors (25990674).

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

20214894 is a wasteful number, since it uses less digits than its factorization.

20214894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481319.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 20214894 is about 4496.0976412885. The cubic root of 20214894 is about 272.4104871103.

The spelling of 20214894 in words is "twenty million, two hundred fourteen thousand, eight hundred ninety-four".