20021003102130 has 16 divisors (see below), whose sum is σ = 48050407445184. Its totient is φ = 5338934160560.

The previous prime is 20021003102101. The next prime is 20021003102137. The reversal of 20021003102130 is 3120130012002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20021003102137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333683385006 + ... + 333683385065.

It is an arithmetic number, because the mean of its divisors is an integer number (3003150465324).

Almost surely, 2^{20021003102130} is an apocalyptic number.

20021003102130 is an abundant number, since it is smaller than the sum of its proper divisors (28029404343054).

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

20021003102130 is a wasteful number, since it uses less digits than its factorization.

20021003102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667366770081.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20021003102130 its reverse (3120130012002), we get a palindrome (23141133114132).

The spelling of 20021003102130 in words is "twenty trillion, twenty-one billion, three million, one hundred two thousand, one hundred thirty".