20020321104 has 80 divisors (see below), whose sum is σ = 59819837952. Its totient is φ = 5651167104.

The previous prime is 20020321103. The next prime is 20020321117. The reversal of 20020321104 is 40112302002.

It is a super-3 number, since 3×20020321104³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020321103) by changing a digit.

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, 331054 + ... + 386829.

Almost surely, 2^20020321104 is an apocalyptic number.

20020321104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20020321104 is an abundant number, since it is smaller than the sum of its proper divisors (39799516848).

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

20020321104 is a wasteful number, since it uses less digits than its factorization.

20020321104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717984 (or 717978 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20020321104 its reverse (40112302002), we get a palindrome (60132623106).

The spelling of 20020321104 in words is "twenty billion, twenty million, three hundred twenty-one thousand, one hundred four".