20212020002001 has 8 divisors (see below), whose sum is σ = 26950605035904. Its totient is φ = 13474057484720.

The previous prime is 20212020001973. The next prime is 20212020002029. The reversal of 20212020002001 is 10020002021202.

It is an interprime number because it is at equal distance from previous prime (20212020001973) and next prime (20212020002029).

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 20212020002001 - 2⁶ = 20212020001937 is a prime.

It is a super-2 number, since 2×20212020002001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212020002081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155553390 + ... + 155683271.

It is an arithmetic number, because the mean of its divisors is an integer number (3368825629488).

Almost surely, 2^{20212020002001} is an apocalyptic number.

It is an amenable number.

20212020002001 is a deficient number, since it is larger than the sum of its proper divisors (6738585033903).

20212020002001 is a wasteful number, since it uses less digits than its factorization.

20212020002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311258311.

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

Adding to 20212020002001 its reverse (10020002021202), we get a palindrome (30232022023203).

The spelling of 20212020002001 in words is "twenty trillion, two hundred twelve billion, twenty million, two thousand, one".