100001333020 has 24 divisors (see below), whose sum is σ = 210136881024. Its totient is φ = 39974993856.

The previous prime is 100001332961. The next prime is 100001333053. The reversal of 100001333020 is 20333100001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564087 + ... + 1626766.

It is an arithmetic number, because the mean of its divisors is an integer number (8755703376).

Almost surely, 2^100001333020 is an apocalyptic number.

100001333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100001333020 is an abundant number, since it is smaller than the sum of its proper divisors (110135548004).

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

100001333020 is a wasteful number, since it uses less digits than its factorization.

100001333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192429 (or 3192427 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 100001333020 its reverse (20333100001), we get a palindrome (120334433021).

The spelling of 100001333020 in words is "one hundred billion, one million, three hundred thirty-three thousand, twenty".