20020021323132 has 12 divisors (see below), whose sum is σ = 46713383087336. Its totient is φ = 6673340441040.

The previous prime is 20020021323119. The next prime is 20020021323157. The reversal of 20020021323132 is 23132312002002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20020021323099 and 20020021323108.

It is a congruent number.

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, 834167555119 + ... + 834167555142.

Almost surely, 2^{20020021323132} is an apocalyptic number.

It is an amenable number.

20020021323132 is an abundant number, since it is smaller than the sum of its proper divisors (26693361764204).

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

20020021323132 is a wasteful number, since it uses less digits than its factorization.

20020021323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668335110268 (or 1668335110266 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20020021323132 its reverse (23132312002002), we get a palindrome (43152333325134).

The spelling of 20020021323132 in words is "twenty trillion, twenty billion, twenty-one million, three hundred twenty-three thousand, one hundred thirty-two".