20000210102021 has 8 divisors (see below), whose sum is σ = 20198191253760. Its totient is φ = 19802302111152.

The previous prime is 20000210101871. The next prime is 20000210102023. The reversal of 20000210102021 is 12020101200002.

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 a de Polignac number, because none of the positive numbers 2^k-20000210102021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000210101993 and 20000210102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000210102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17740685 + ... + 18834338.

It is an arithmetic number, because the mean of its divisors is an integer number (2524773906720).

Almost surely, 2^{20000210102021} is an apocalyptic number.

It is an amenable number.

20000210102021 is a deficient number, since it is larger than the sum of its proper divisors (197981151739).

20000210102021 is a wasteful number, since it uses less digits than its factorization.

20000210102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36580435.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000210102021 its reverse (12020101200002), we get a palindrome (32020311302023).

The spelling of 20000210102021 in words is "twenty trillion, two hundred ten million, one hundred two thousand, twenty-one".