202001120101220 has 96 divisors (see below), whose sum is σ = 463911705129600. Its totient is φ = 73273161830400.

The previous prime is 202001120101217. The next prime is 202001120101223. The reversal of 202001120101220 is 22101021100202.

It is an interprime number because it is at equal distance from previous prime (202001120101217) and next prime (202001120101223).

It is a junction number, because it is equal to n+sod(n) for n = 202001120101195 and 202001120101204.

It is not an unprimeable number, because it can be changed into a prime (202001120101223) 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 31 ways as a sum of consecutive naturals, for example, 975092411 + ... + 975299549.

It is an arithmetic number, because the mean of its divisors is an integer number (4832413595100).

Almost surely, 2^{202001120101220} is an apocalyptic number.

202001120101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202001120101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231955852564800).

202001120101220 is an abundant number, since it is smaller than the sum of its proper divisors (261910585028380).

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

202001120101220 is a wasteful number, since it uses less digits than its factorization.

202001120101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218109 (or 218107 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202001120101220 its reverse (22101021100202), we get a palindrome (224102141201422).

The spelling of 202001120101220 in words is "two hundred two trillion, one billion, one hundred twenty million, one hundred one thousand, two hundred twenty".