20211213202 has 8 divisors (see below), whose sum is σ = 31021862256. Its totient is φ = 9870592452.

The previous prime is 20211213193. The next prime is 20211213263. The reversal of 20211213202 is 20231211202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117506968 + ... + 117507139.

It is an arithmetic number, because the mean of its divisors is an integer number (3877732782).

Almost surely, 2^20211213202 is an apocalyptic number.

20211213202 is a deficient number, since it is larger than the sum of its proper divisors (10810649054).

20211213202 is a wasteful number, since it uses less digits than its factorization.

20211213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235014152.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20211213202 its reverse (20231211202), we get a palindrome (40442424404).

The spelling of 20211213202 in words is "twenty billion, two hundred eleven million, two hundred thirteen thousand, two hundred two".