20242994 has 8 divisors (see below), whose sum is σ = 31010688. Its totient is φ = 9906100.

The previous prime is 20242993. The next prime is 20242997. The reversal of 20242994 is 49924202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20242994.

It is not an unprimeable number, because it can be changed into a prime (20242993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107582 + ... + 107769.

It is an arithmetic number, because the mean of its divisors is an integer number (3876336).

Almost surely, 2^20242994 is an apocalyptic number.

20242994 is a deficient number, since it is larger than the sum of its proper divisors (10767694).

20242994 is a wasteful number, since it uses less digits than its factorization.

20242994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215400.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20242994 is about 4499.2214882133. The cubic root of 20242994 is about 272.5366513561.

The spelling of 20242994 in words is "twenty million, two hundred forty-two thousand, nine hundred ninety-four".