22010421020220 has 144 divisors (see below), whose sum is σ = 69507104153760. Its totient is φ = 5630954853888.

The previous prime is 22010421020179. The next prime is 22010421020221. The reversal of 22010421020220 is 2202012401022.

22010421020220 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 0 + 421 + 0 + 20 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22010421020193 and 22010421020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010421020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12608982 + ... + 14248061.

It is an arithmetic number, because the mean of its divisors is an integer number (482688223290).

Almost surely, 2^{22010421020220} is an apocalyptic number.

22010421020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010421020220 is an abundant number, since it is smaller than the sum of its proper divisors (47496683133540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22010421020220 is a wasteful number, since it uses less digits than its factorization.

22010421020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26857244 (or 26857239 counting only the distinct ones).

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

Adding to 22010421020220 its reverse (2202012401022), we get a palindrome (24212433421242).

The spelling of 22010421020220 in words is "twenty-two trillion, ten billion, four hundred twenty-one million, twenty thousand, two hundred twenty".