20313211202 has 4 divisors (see below), whose sum is σ = 30469816806. Its totient is φ = 10156605600.

The previous prime is 20313211189. The next prime is 20313211271. The reversal of 20313211202 is 20211231302.

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., 15868188961 + 4445022241 = 125969^2 + 66671^2 .

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, 5078302799 + ... + 5078302802.

Almost surely, 2^20313211202 is an apocalyptic number.

20313211202 is a deficient number, since it is larger than the sum of its proper divisors (10156605604).

20313211202 is a wasteful number, since it uses less digits than its factorization.

20313211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156605603.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20313211202 its reverse (20211231302), we get a palindrome (40524442504).

The spelling of 20313211202 in words is "twenty billion, three hundred thirteen million, two hundred eleven thousand, two hundred two".