20020212222021 has 48 divisors (see below), whose sum is σ = 32077711448640. Its totient is φ = 11929510656000.

The previous prime is 20020212222013. The next prime is 20020212222047. The reversal of 20020212222021 is 12022221202002.

20020212222021 is a `hidden beast` number, since 200 + 20 + 21 + 222 + 202 + 1 = 666.

It is not a de Polignac number, because 20020212222021 - 2³ = 20020212222013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020212221985 and 20020212222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020212222011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13619365 + ... + 15017573.

It is an arithmetic number, because the mean of its divisors is an integer number (668285655180).

Almost surely, 2^{20020212222021} is an apocalyptic number.

It is an amenable number.

20020212222021 is a deficient number, since it is larger than the sum of its proper divisors (12057499226619).

20020212222021 is a wasteful number, since it uses less digits than its factorization.

20020212222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400658 (or 1400655 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20020212222021 its reverse (12022221202002), we get a palindrome (32042433424023).

The spelling of 20020212222021 in words is "twenty trillion, twenty billion, two hundred twelve million, two hundred twenty-two thousand, twenty-one".