220212020220021 has 48 divisors (see below), whose sum is σ = 323771010900480. Its totient is φ = 144190389087360.

The previous prime is 220212020219987. The next prime is 220212020220103. The reversal of 220212020220021 is 120022020212022.

220212020220021 is a `hidden beast` number, since 220 + 2 + 1 + 20 + 202 + 200 + 21 = 666.

It is not a de Polignac number, because 220212020220021 - 2¹⁰ = 220212020218997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220212020219976 and 220212020220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212020227021) 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, 1605595570 + ... + 1605732716.

It is an arithmetic number, because the mean of its divisors is an integer number (6745229393760).

Almost surely, 2^{220212020220021} is an apocalyptic number.

It is an amenable number.

220212020220021 is a deficient number, since it is larger than the sum of its proper divisors (103558990680459).

220212020220021 is a wasteful number, since it uses less digits than its factorization.

220212020220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141466 (or 141463 counting only the distinct ones).

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

Adding to 220212020220021 its reverse (120022020212022), we get a palindrome (340234040432043).

The spelling of 220212020220021 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, two hundred twenty thousand, twenty-one".