20210202012001 has 4 divisors (see below), whose sum is σ = 20210347453104. Its totient is φ = 20210056570900.

The previous prime is 20210202011981. The next prime is 20210202012089. The reversal of 20210202012001 is 10021020201202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210202012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210202015001) 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, 72511915 + ... + 72790096.

It is an arithmetic number, because the mean of its divisors is an integer number (5052586863276).

Almost surely, 2^{20210202012001} is an apocalyptic number.

It is an amenable number.

20210202012001 is a deficient number, since it is larger than the sum of its proper divisors (145441103).

20210202012001 is a wasteful number, since it uses less digits than its factorization.

20210202012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145441102.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20210202012001 its reverse (10021020201202), we get a palindrome (30231222213203).

The spelling of 20210202012001 in words is "twenty trillion, two hundred ten billion, two hundred two million, twelve thousand, one".