20333120132 has 12 divisors (see below), whose sum is σ = 38320111116. Its totient is φ = 9384516960.

The previous prime is 20333120111. The next prime is 20333120149. The reversal of 20333120132 is 23102133302.

It can be written as a sum of positive squares in 2 ways, for example, as 13212123136 + 7120996996 = 114944^2 + 84386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195510719 + ... + 195510822.

It is an arithmetic number, because the mean of its divisors is an integer number (3193342593).

Almost surely, 2^20333120132 is an apocalyptic number.

It is an amenable number.

20333120132 is a deficient number, since it is larger than the sum of its proper divisors (17986990984).

20333120132 is a wasteful number, since it uses less digits than its factorization.

20333120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391021558 (or 391021556 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20333120132 its reverse (23102133302), we get a palindrome (43435253434).

The spelling of 20333120132 in words is "twenty billion, three hundred thirty-three million, one hundred twenty thousand, one hundred thirty-two".