100003032020 has 24 divisors (see below), whose sum is σ = 210133175784. Its totient is φ = 39977058816.

The previous prime is 100003032007. The next prime is 100003032047. The reversal of 100003032020 is 20230300001.

It can be written as a sum of positive squares in 4 ways, for example, as 720063556 + 99282968464 = 26834^2 + 315092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100003031992 and 100003032010.

It is a congruent number.

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, 1475657 + ... + 1541936.

It is an arithmetic number, because the mean of its divisors is an integer number (8755548991).

Almost surely, 2^100003032020 is an apocalyptic number.

100003032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100003032020 is an abundant number, since it is smaller than the sum of its proper divisors (110130143764).

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

100003032020 is a wasteful number, since it uses less digits than its factorization.

100003032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019259 (or 3019257 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 100003032020 its reverse (20230300001), we get a palindrome (120233332021).

The spelling of 100003032020 in words is "one hundred billion, three million, thirty-two thousand, twenty".