20303223202 has 16 divisors (see below), whose sum is σ = 30536582400. Its totient is φ = 10124386272.

The previous prime is 20303223197. The next prime is 20303223203. The reversal of 20303223202 is 20232230302.

It is a super-2 number, since 2×20303223202² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20303223202.

It is not an unprimeable number, because it can be changed into a prime (20303223203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239174 + ... + 2248222.

It is an arithmetic number, because the mean of its divisors is an integer number (1908536400).

Almost surely, 2^20303223202 is an apocalyptic number.

20303223202 is a deficient number, since it is larger than the sum of its proper divisors (10233359198).

20303223202 is a wasteful number, since it uses less digits than its factorization.

20303223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20303223202 its reverse (20232230302), we get a palindrome (40535453504).

The spelling of 20303223202 in words is "twenty billion, three hundred three million, two hundred twenty-three thousand, two hundred two".