20212222333320 has 128 divisors (see below), whose sum is σ = 69017344704000. Its totient is φ = 5258464335360.

The previous prime is 20212222333307. The next prime is 20212222333327. The reversal of 20212222333320 is 2333322221202.

20212222333320 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 2 + 2 + 2 + 2 + 333 + 320 = 666.

It is a super-3 number, since 3×20212222333320³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20212222333327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228187680 + ... + 228276239.

It is an arithmetic number, because the mean of its divisors is an integer number (539198005500).

Almost surely, 2^{20212222333320} is an apocalyptic number.

20212222333320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212222333320 is an abundant number, since it is smaller than the sum of its proper divisors (48805122370680).

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

20212222333320 is a wasteful number, since it uses less digits than its factorization.

20212222333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456463980 (or 456463970 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20212222333320 its reverse (2333322221202), we get a palindrome (22545544554522).

The spelling of 20212222333320 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, three hundred thirty-three thousand, three hundred twenty".