202011012122220 has 216 divisors, whose sum is σ = 739210667451984. Its totient is φ = 46173945573504.

The previous prime is 202011012122131. The next prime is 202011012122221. The reversal of 202011012122220 is 22221210110202.

It is a happy number.

202011012122220 is a `hidden beast` number, since 20 + 201 + 10 + 1 + 212 + 2 + 220 = 666.

It is a super-3 number, since 3×202011012122220³ (a number of 44 digits) contains 333 as substring.

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 = 202011012122193 and 202011012122202.

It is not an unprimeable number, because it can be changed into a prime (202011012122221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 423905247 + ... + 424381526.

It is an arithmetic number, because the mean of its divisors is an integer number (3422271608574).

Almost surely, 2^{202011012122220} is an apocalyptic number.

202011012122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011012122220 is an abundant number, since it is smaller than the sum of its proper divisors (537199655329764).

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

202011012122220 is a wasteful number, since it uses less digits than its factorization.

202011012122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848286811 (or 848286790 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202011012122220 its reverse (22221210110202), we get a palindrome (224232222232422).

The spelling of 202011012122220 in words is "two hundred two trillion, eleven billion, twelve million, one hundred twenty-two thousand, two hundred twenty".