203213351022 has 48 divisors (see below), whose sum is σ = 447516765696. Its totient is φ = 61471832400.

The previous prime is 203213351009. The next prime is 203213351039. The reversal of 203213351022 is 220153312302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203213350983 and 203213351001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169443 + ... + 659649.

It is an arithmetic number, because the mean of its divisors is an integer number (9323265952).

Almost surely, 2^203213351022 is an apocalyptic number.

203213351022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 203213351022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223758382848).

203213351022 is an abundant number, since it is smaller than the sum of its proper divisors (244303414674).

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

203213351022 is a wasteful number, since it uses less digits than its factorization.

203213351022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490805 (or 490794 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 203213351022 its reverse (220153312302), we get a palindrome (423366663324).

The spelling of 203213351022 in words is "two hundred three billion, two hundred thirteen million, three hundred fifty-one thousand, twenty-two".