20049048 has 24 divisors (see below), whose sum is σ = 54299700. Its totient is φ = 6682992.

The previous prime is 20049023. The next prime is 20049049. The reversal of 20049048 is 84094002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20049049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139158 + ... + 139301.

Almost surely, 2^20049048 is an apocalyptic number.

It is an amenable number.

20049048 is an abundant number, since it is smaller than the sum of its proper divisors (34250652).

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

20049048 is a wasteful number, since it uses less digits than its factorization.

20049048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278471 (or 278464 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20049048 is about 4477.6163301471. The cubic root of 20049048 is about 271.6634751069.

The spelling of 20049048 in words is "twenty million, forty-nine thousand, forty-eight".