20302233332 has 6 divisors (see below), whose sum is σ = 35528908338. Its totient is φ = 10151116664.

The previous prime is 20302233313. The next prime is 20302233349. The reversal of 20302233332 is 23333220302.

It can be written as a sum of positive squares in only one way, i.e., 13513132516 + 6789100816 = 116246^2 + 82396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20302233298 and 20302233307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2537779163 + ... + 2537779170.

It is an arithmetic number, because the mean of its divisors is an integer number (5921484723).

Almost surely, 2^20302233332 is an apocalyptic number.

It is an amenable number.

20302233332 is a deficient number, since it is larger than the sum of its proper divisors (15226675006).

20302233332 is a wasteful number, since it uses less digits than its factorization.

20302233332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075558337 (or 5075558335 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 20302233332 its reverse (23333220302), we get a palindrome (43635453634).

The spelling of 20302233332 in words is "twenty billion, three hundred two million, two hundred thirty-three thousand, three hundred thirty-two".