20294072 has 16 divisors (see below), whose sum is σ = 38588400. Its totient is φ = 10003840.

The previous prime is 20294069. The next prime is 20294077. The reversal of 20294072 is 27049202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20294077) 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 3 ways as a sum of consecutive naturals, for example, 17297 + ... + 18432.

It is an arithmetic number, because the mean of its divisors is an integer number (2411775).

Almost surely, 2^20294072 is an apocalyptic number.

It is an amenable number.

20294072 is a deficient number, since it is larger than the sum of its proper divisors (18294328).

20294072 is a wasteful number, since it uses less digits than its factorization.

20294072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35806 (or 35802 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20294072 is about 4504.8942273931. The cubic root of 20294072 is about 272.7656842598.

The spelling of 20294072 in words is "twenty million, two hundred ninety-four thousand, seventy-two".