20101020002 has 48 divisors (see below), whose sum is σ = 35566008192. Its totient is φ = 8494657920.

The previous prime is 20101019959. The next prime is 20101020013. The reversal of 20101020002 is 20002010102.

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 23 ways as a sum of consecutive naturals, for example, 2428523 + ... + 2436785.

It is an arithmetic number, because the mean of its divisors is an integer number (740958504).

Almost surely, 2^20101020002 is an apocalyptic number.

20101020002 is a deficient number, since it is larger than the sum of its proper divisors (15464988190).

20101020002 is a wasteful number, since it uses less digits than its factorization.

20101020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8623 (or 8616 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20101020002 its reverse (20002010102), we get a palindrome (40103030104).

The spelling of 20101020002 in words is "twenty billion, one hundred one million, twenty thousand, two".