20213032212001 has 4 divisors (see below), whose sum is σ = 20213060432404. Its totient is φ = 20213003991600.

The previous prime is 20213032211899. The next prime is 20213032212013. The reversal of 20213032212001 is 10021223031202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13544784744976 + 6668247467025 = 3680324^2 + 2582295^2 .

It is a cyclic number.

It is not a de Polignac number, because 20213032212001 - 2¹⁷ = 20213032080929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20213032212001.

It is not an unprimeable number, because it can be changed into a prime (20213032212071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13007070 + ... + 14477911.

It is an arithmetic number, because the mean of its divisors is an integer number (5053265108101).

Almost surely, 2^{20213032212001} is an apocalyptic number.

It is an amenable number.

20213032212001 is a deficient number, since it is larger than the sum of its proper divisors (28220403).

20213032212001 is an equidigital number, since it uses as much as digits as its factorization.

20213032212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28220402.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20213032212001 its reverse (10021223031202), we get a palindrome (30234255243203).

The spelling of 20213032212001 in words is "twenty trillion, two hundred thirteen billion, thirty-two million, two hundred twelve thousand, one".