20143202 has 4 divisors (see below), whose sum is σ = 30214806. Its totient is φ = 10071600.

The previous prime is 20143171. The next prime is 20143219. The reversal of 20143202 is 20234102.

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., 19439281 + 703921 = 4409^2 + 839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035799 + ... + 5035802.

Almost surely, 2^20143202 is an apocalyptic number.

20143202 is a deficient number, since it is larger than the sum of its proper divisors (10071604).

20143202 is a wasteful number, since it uses less digits than its factorization.

20143202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071603.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20143202 is about 4488.1178683274. The cubic root of 20143202 is about 272.0880716097.

Adding to 20143202 its reverse (20234102), we get a palindrome (40377304).

The spelling of 20143202 in words is "twenty million, one hundred forty-three thousand, two hundred two".