20020102202001 has 16 divisors (see below), whose sum is σ = 30652788061440. Its totient is φ = 11494795522320.

The previous prime is 20020102201999. The next prime is 20020102202011. The reversal of 20020102202001 is 10020220102002.

It is not a de Polignac number, because 20020102202001 - 2¹ = 20020102201999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020102202011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15964993155 + ... + 15964994408.

It is an arithmetic number, because the mean of its divisors is an integer number (1915799253840).

Almost surely, 2^{20020102202001} is an apocalyptic number.

It is an amenable number.

20020102202001 is a deficient number, since it is larger than the sum of its proper divisors (10632685859439).

20020102202001 is a wasteful number, since it uses less digits than its factorization.

20020102202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31929987596.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020102202001 its reverse (10020220102002), we get a palindrome (30040322304003).

The spelling of 20020102202001 in words is "twenty trillion, twenty billion, one hundred two million, two hundred two thousand, one".