20021020132 has 24 divisors (see below), whose sum is σ = 35652750336. Its totient is φ = 9835302048.

The previous prime is 20021020111. The next prime is 20021020147. The reversal of 20021020132 is 23102012002.

It is a super-3 number, since 3×20021020132³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5118 + ... + 200170.

It is an arithmetic number, because the mean of its divisors is an integer number (1485531264).

Almost surely, 2^20021020132 is an apocalyptic number.

It is an amenable number.

20021020132 is a deficient number, since it is larger than the sum of its proper divisors (15631730204).

20021020132 is a wasteful number, since it uses less digits than its factorization.

20021020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195507 (or 195505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20021020132 its reverse (23102012002), we get a palindrome (43123032134).

The spelling of 20021020132 in words is "twenty billion, twenty-one million, twenty thousand, one hundred thirty-two".