20211002220000 has 240 divisors, whose sum is σ = 66303525480192. Its totient is φ = 5388999360000.

The previous prime is 20211002219987. The next prime is 20211002220001. The reversal of 20211002220000 is 2220011202.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×20211002220000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211002220001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 886008595 + ... + 886031405.

Almost surely, 2^{20211002220000} is an apocalyptic number.

20211002220000 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 20211002220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33151762740096).

20211002220000 is an abundant number, since it is smaller than the sum of its proper divisors (46092523260192).

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

20211002220000 is a wasteful number, since it uses less digits than its factorization.

20211002220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37611 (or 37588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20211002220000 its reverse (2220011202), we get a palindrome (20213222231202).

The spelling of 20211002220000 in words is "twenty trillion, two hundred eleven billion, two million, two hundred twenty thousand".