10351321203220 has 24 divisors (see below), whose sum is σ = 21739205376000. Its totient is φ = 4140255938592.

The previous prime is 10351321203187. The next prime is 10351321203229. The reversal of 10351321203220 is 2230212315301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10351321203229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16722340 + ... + 17330299.

It is an arithmetic number, because the mean of its divisors is an integer number (905800224000).

Almost surely, 2^{10351321203220} is an apocalyptic number.

10351321203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10351321203220 is an abundant number, since it is smaller than the sum of its proper divisors (11387884172780).

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

10351321203220 is a wasteful number, since it uses less digits than its factorization.

10351321203220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34067847 (or 34067845 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 10351321203220 its reverse (2230212315301), we get a palindrome (12581533518521).

The spelling of 10351321203220 in words is "ten trillion, three hundred fifty-one billion, three hundred twenty-one million, two hundred three thousand, two hundred twenty".