20020111332 has 48 divisors (see below), whose sum is σ = 50532625920. Its totient is φ = 6132400128.

The previous prime is 20020111327. The next prime is 20020111357. The reversal of 20020111332 is 23311102002.

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 15 ways as a sum of consecutive naturals, for example, 252957 + ... + 322532.

It is an arithmetic number, because the mean of its divisors is an integer number (1052763040).

Almost surely, 2^20020111332 is an apocalyptic number.

It is an amenable number.

20020111332 is an abundant number, since it is smaller than the sum of its proper divisors (30512514588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020111332 is a wasteful number, since it uses less digits than its factorization.

20020111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575732 (or 575730 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20020111332 its reverse (23311102002), we get a palindrome (43331213334).

The spelling of 20020111332 in words is "twenty billion, twenty million, one hundred eleven thousand, three hundred thirty-two".