213222311010020 has 48 divisors (see below), whose sum is σ = 482908301980608. Its totient is φ = 78614304071040.

The previous prime is 213222311010001. The next prime is 213222311010041. The reversal of 213222311010020 is 20010113222312.

It is a super-2 number, since 2×213222311010020² (a number of 29 digits) contains 22 as substring.

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 = 213222311009974 and 213222311010001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593225414 + ... + 593584733.

It is an arithmetic number, because the mean of its divisors is an integer number (10060589624596).

Almost surely, 2^{213222311010020} is an apocalyptic number.

213222311010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213222311010020 is an abundant number, since it is smaller than the sum of its proper divisors (269685990970588).

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

213222311010020 is a wasteful number, since it uses less digits than its factorization.

213222311010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186810860 (or 1186810858 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213222311010020 its reverse (20010113222312), we get a palindrome (233232424232332).

The spelling of 213222311010020 in words is "two hundred thirteen trillion, two hundred twenty-two billion, three hundred eleven million, ten thousand, twenty".