20211222313302 has 64 divisors (see below), whose sum is σ = 41651255669760. Its totient is φ = 6534842714624.

The previous prime is 20211222313301. The next prime is 20211222313339. The reversal of 20211222313302 is 20331322211202.

It is a super-2 number, since 2×20211222313302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211222313301) 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, 613690828 + ... + 613723760.

It is an arithmetic number, because the mean of its divisors is an integer number (650800869840).

Almost surely, 2^{20211222313302} is an apocalyptic number.

20211222313302 is an abundant number, since it is smaller than the sum of its proper divisors (21440033356458).

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

20211222313302 is a wasteful number, since it uses less digits than its factorization.

20211222313302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52357.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20211222313302 its reverse (20331322211202), we get a palindrome (40542544524504).

The spelling of 20211222313302 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two million, three hundred thirteen thousand, three hundred two".