20200220022021 has 8 divisors (see below), whose sum is σ = 29005444134240. Its totient is φ = 12430904628912.

The previous prime is 20200220022011. The next prime is 20200220022049. The reversal of 20200220022021 is 12022002200202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20200220022021 - 2¹³ = 20200220013829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200220022011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258977179731 + ... + 258977179808.

It is an arithmetic number, because the mean of its divisors is an integer number (3625680516780).

Almost surely, 2^{20200220022021} is an apocalyptic number.

It is an amenable number.

20200220022021 is a deficient number, since it is larger than the sum of its proper divisors (8805224112219).

20200220022021 is a wasteful number, since it uses less digits than its factorization.

20200220022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517954359555.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20200220022021 its reverse (12022002200202), we get a palindrome (32222222222223).

The spelling of 20200220022021 in words is "twenty trillion, two hundred billion, two hundred twenty million, twenty-two thousand, twenty-one".