20549134 has 8 divisors (see below), whose sum is σ = 31656888. Its totient is φ = 9996840.

The previous prime is 20549071. The next prime is 20549153. The reversal of 20549134 is 43194502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 138772 + ... + 138919.

It is an arithmetic number, because the mean of its divisors is an integer number (3957111).

Almost surely, 2^20549134 is an apocalyptic number.

20549134 is a deficient number, since it is larger than the sum of its proper divisors (11107754).

20549134 is a wasteful number, since it uses less digits than its factorization.

20549134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277730.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20549134 is about 4533.1152643629. The cubic root of 20549134 is about 273.9036637193.

The spelling of 20549134 in words is "twenty million, five hundred forty-nine thousand, one hundred thirty-four".