20200020012021 has 64 divisors (see below), whose sum is σ = 27845152738560. Its totient is φ = 13019362836480.

The previous prime is 20200020011987. The next prime is 20200020012047. The reversal of 20200020012021 is 12021002000202.

It is not a de Polignac number, because 20200020012021 - 2⁶ = 20200020011957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200020011988 and 20200020012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200020012421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6097197261 + ... + 6097200573.

It is an arithmetic number, because the mean of its divisors is an integer number (435080511540).

Almost surely, 2^{20200020012021} is an apocalyptic number.

It is an amenable number.

20200020012021 is a deficient number, since it is larger than the sum of its proper divisors (7645132726539).

20200020012021 is a wasteful number, since it uses less digits than its factorization.

20200020012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806.

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

Adding to 20200020012021 its reverse (12021002000202), we get a palindrome (32221022012223).

The spelling of 20200020012021 in words is "twenty trillion, two hundred billion, twenty million, twelve thousand, twenty-one".