20294938 has 16 divisors (see below), whose sum is σ = 31116960. Its totient is φ = 9924496.

The previous prime is 20294933. The next prime is 20294941. The reversal of 20294938 is 83949202.

It is a junction number, because it is equal to n+sod(n) for n = 20294897 and 20294906.

It is not an unprimeable number, because it can be changed into a prime (20294933) 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 7 ways as a sum of consecutive naturals, for example, 34281 + ... + 34867.

It is an arithmetic number, because the mean of its divisors is an integer number (1944810).

Almost surely, 2^20294938 is an apocalyptic number.

20294938 is a deficient number, since it is larger than the sum of its proper divisors (10822022).

20294938 is a wasteful number, since it uses less digits than its factorization.

20294938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 20294938 is about 4504.9903440518. The cubic root of 20294938 is about 272.7695640746.

The spelling of 20294938 in words is "twenty million, two hundred ninety-four thousand, nine hundred thirty-eight".