20043021102 has 24 divisors (see below), whose sum is σ = 43406781624. Its totient is φ = 6167083104.

The previous prime is 20043021083. The next prime is 20043021121. The reversal of 20043021102 is 20112034002.

It is an interprime number because it is at equal distance from previous prime (20043021083) and next prime (20043021121).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9882133 + ... + 9884160.

It is an arithmetic number, because the mean of its divisors is an integer number (1808615901).

Almost surely, 2^20043021102 is an apocalyptic number.

20043021102 is an abundant number, since it is smaller than the sum of its proper divisors (23363760522).

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

20043021102 is a wasteful number, since it uses less digits than its factorization.

20043021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19766324 (or 19766311 counting only the distinct ones).

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

Adding to 20043021102 its reverse (20112034002), we get a palindrome (40155055104).

The spelling of 20043021102 in words is "twenty billion, forty-three million, twenty-one thousand, one hundred two".