20021201002013 has 8 divisors (see below), whose sum is σ = 20062953768000. Its totient is φ = 19979471626560.

The previous prime is 20021201001979. The next prime is 20021201002027. The reversal of 20021201002013 is 31020010212002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20021201002013 - 2⁸ = 20021201001757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021201002613) 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, 4133420 + ... + 7558277.

It is an arithmetic number, because the mean of its divisors is an integer number (2507869221000).

Almost surely, 2^{20021201002013} is an apocalyptic number.

It is an amenable number.

20021201002013 is a deficient number, since it is larger than the sum of its proper divisors (41752765987).

20021201002013 is a wasteful number, since it uses less digits than its factorization.

20021201002013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11695267.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20021201002013 its reverse (31020010212002), we get a palindrome (51041211214015).

The spelling of 20021201002013 in words is "twenty trillion, twenty-one billion, two hundred one million, two thousand, thirteen".