20049734 has 8 divisors (see below), whose sum is σ = 30584520. Its totient is φ = 9854896.

The previous prime is 20049719. The next prime is 20049751. The reversal of 20049734 is 43794002.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20049697 and 20049706.

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, 84839 + ... + 85074.

It is an arithmetic number, because the mean of its divisors is an integer number (3823065).

Almost surely, 2^20049734 is an apocalyptic number.

20049734 is a deficient number, since it is larger than the sum of its proper divisors (10534786).

20049734 is a wasteful number, since it uses less digits than its factorization.

20049734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169974.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20049734 is about 4477.6929327501. The cubic root of 20049734 is about 271.6665734920. Note that the first 3 decimals are identical.

The spelling of 20049734 in words is "twenty million, forty-nine thousand, seven hundred thirty-four".