20343802 has 4 divisors (see below), whose sum is σ = 30515706. Its totient is φ = 10171900.

The previous prime is 20343797. The next prime is 20343833. The reversal of 20343802 is 20834302.

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

It can be written as a sum of positive squares in only one way, i.e., 17969121 + 2374681 = 4239^2 + 1541^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085949 + ... + 5085952.

Almost surely, 2^20343802 is an apocalyptic number.

20343802 is a deficient number, since it is larger than the sum of its proper divisors (10171904).

20343802 is a wasteful number, since it uses less digits than its factorization.

20343802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171903.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20343802 is about 4510.4104026130. The cubic root of 20343802 is about 272.9883038279.

The spelling of 20343802 in words is "twenty million, three hundred forty-three thousand, eight hundred two".