20020011332 has 6 divisors (see below), whose sum is σ = 35035019838. Its totient is φ = 10010005664.

The previous prime is 20020011329. The next prime is 20020011343. The reversal of 20020011332 is 23311002002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12477783616 + 7542227716 = 111704^2 + 86846^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502501413 + ... + 2502501420.

It is an arithmetic number, because the mean of its divisors is an integer number (5839169973).

Almost surely, 2^20020011332 is an apocalyptic number.

It is an amenable number.

20020011332 is a deficient number, since it is larger than the sum of its proper divisors (15015008506).

20020011332 is a wasteful number, since it uses less digits than its factorization.

20020011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005002837 (or 5005002835 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20020011332 its reverse (23311002002), we get a palindrome (43331013334).

The spelling of 20020011332 in words is "twenty billion, twenty million, eleven thousand, three hundred thirty-two".