20343002 has 4 divisors (see below), whose sum is σ = 30514506. Its totient is φ = 10171500.

The previous prime is 20342981. The next prime is 20343019. The reversal of 20343002 is 20034302.

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., 13315201 + 7027801 = 3649^2 + 2651^2 .

It is an unprimeable number.

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, 5085749 + ... + 5085752.

Almost surely, 2^20343002 is an apocalyptic number.

20343002 is a deficient number, since it is larger than the sum of its proper divisors (10171504).

20343002 is a wasteful number, since it uses less digits than its factorization.

20343002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171503.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20343002 is about 4510.3217180152. The cubic root of 20343002 is about 272.9847254488.

Adding to 20343002 its reverse (20034302), we get a palindrome (40377304).

It can be divided in two parts, 2034300 and 2, that added together give a palindrome (2034302).

The spelling of 20343002 in words is "twenty million, three hundred forty-three thousand, two".