20040302 has 4 divisors (see below), whose sum is σ = 30060456. Its totient is φ = 10020150.

The previous prime is 20040301. The next prime is 20040311. The reversal of 20040302 is 20304002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20040302² = 803227408502408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040301) 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 as a sum of consecutive naturals, namely, 5010074 + ... + 5010077.

It is an arithmetic number, because the mean of its divisors is an integer number (7515114).

Almost surely, 2^20040302 is an apocalyptic number.

20040302 is a deficient number, since it is larger than the sum of its proper divisors (10020154).

20040302 is a wasteful number, since it uses less digits than its factorization.

20040302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020153.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20040302 is about 4476.6395879052. The cubic root of 20040302 is about 271.6239667584.

Adding to 20040302 its reverse (20304002), we get a palindrome (40344304).

The spelling of 20040302 in words is "twenty million, forty thousand, three hundred two".