20000101002 has 48 divisors (see below), whose sum is σ = 46172606016. Its totient is φ = 5657616000.

The previous prime is 20000100997. The next prime is 20000101021. The reversal of 20000101002 is 20010100002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405102 + ... + 451782.

It is an arithmetic number, because the mean of its divisors is an integer number (961929292).

Almost surely, 2^20000101002 is an apocalyptic number.

20000101002 is an abundant number, since it is smaller than the sum of its proper divisors (26172505014).

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

20000101002 is a wasteful number, since it uses less digits than its factorization.

20000101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46895 (or 46794 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20000101002 its reverse (20010100002), we get a palindrome (40010201004).

The spelling of 20000101002 in words is "twenty billion, one hundred one thousand, two".