213022011033020 has 48 divisors (see below), whose sum is σ = 511271057841600. Its totient is φ = 73033513588224.

The previous prime is 213022011033011. The next prime is 213022011033023. The reversal of 213022011033020 is 20330110220312.

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 = 213022011032983 and 213022011033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213022011033023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23187995 + ... + 31043954.

It is an arithmetic number, because the mean of its divisors is an integer number (10651480371700).

Almost surely, 2^{213022011033020} is an apocalyptic number.

213022011033020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213022011033020 is an abundant number, since it is smaller than the sum of its proper divisors (298249046808580).

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

213022011033020 is a wasteful number, since it uses less digits than its factorization.

213022011033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54260022 (or 54260020 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213022011033020 its reverse (20330110220312), we get a palindrome (233352121253332).

The spelling of 213022011033020 in words is "two hundred thirteen trillion, twenty-two billion, eleven million, thirty-three thousand, twenty".