202012022311220 has 24 divisors (see below), whose sum is σ = 462791178386208. Its totient is φ = 73458917204000.

The previous prime is 202012022311213. The next prime is 202012022311223. The reversal of 202012022311220 is 22113220210202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202012022311192 and 202012022311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012022311223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459118232306 + ... + 459118232745.

It is an arithmetic number, because the mean of its divisors is an integer number (19282965766092).

Almost surely, 2^{202012022311220} is an apocalyptic number.

202012022311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012022311220 is an abundant number, since it is smaller than the sum of its proper divisors (260779156074988).

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

202012022311220 is a wasteful number, since it uses less digits than its factorization.

202012022311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918236465071 (or 918236465069 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202012022311220 its reverse (22113220210202), we get a palindrome (224125242521422).

The spelling of 202012022311220 in words is "two hundred two trillion, twelve billion, twenty-two million, three hundred eleven thousand, two hundred twenty".