20302211332 has 36 divisors (see below), whose sum is σ = 38999199540. Its totient is φ = 9241869312.

The previous prime is 20302211317. The next prime is 20302211407. The reversal of 20302211332 is 23311220302.

It can be written as a sum of positive squares in 6 ways, for example, as 9130566916 + 11171644416 = 95554^2 + 105696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156357 + ... + 255052.

Almost surely, 2^20302211332 is an apocalyptic number.

It is an amenable number.

20302211332 is a deficient number, since it is larger than the sum of its proper divisors (18696988208).

20302211332 is a wasteful number, since it uses less digits than its factorization.

20302211332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411512 (or 411497 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20302211332 its reverse (23311220302), we get a palindrome (43613431634).

The spelling of 20302211332 in words is "twenty billion, three hundred two million, two hundred eleven thousand, three hundred thirty-two".