20049356 has 12 divisors (see below), whose sum is σ = 35118720. Its totient is φ = 10015440.

The previous prime is 20049349. The next prime is 20049361. The reversal of 20049356 is 65394002.

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, 5525 + ... + 8403.

It is an arithmetic number, because the mean of its divisors is an integer number (2926560).

Almost surely, 2^20049356 is an apocalyptic number.

It is an amenable number.

20049356 is a deficient number, since it is larger than the sum of its proper divisors (15069364).

20049356 is a wasteful number, since it uses less digits than its factorization.

20049356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20049356 is about 4477.6507233146. The cubic root of 20049356 is about 271.6648662273.

The spelling of 20049356 in words is "twenty million, forty-nine thousand, three hundred fifty-six".