10331211220 has 48 divisors (see below), whose sum is σ = 23902252416. Its totient is φ = 3719600000.

The previous prime is 10331211217. The next prime is 10331211223. The reversal of 10331211220 is 2211213301.

It is an interprime number because it is at equal distance from previous prime (10331211217) and next prime (10331211223).

It is a junction number, because it is equal to n+sod(n) for n = 10331211194 and 10331211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331211223) 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, 210256 + ... + 254695.

It is an arithmetic number, because the mean of its divisors is an integer number (497963592).

Almost surely, 2^10331211220 is an apocalyptic number.

10331211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331211220 is an abundant number, since it is smaller than the sum of its proper divisors (13571041196).

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

10331211220 is a wasteful number, since it uses less digits than its factorization.

10331211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465072 (or 465070 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10331211220 its reverse (2211213301), we get a palindrome (12542424521).

The spelling of 10331211220 in words is "ten billion, three hundred thirty-one million, two hundred eleven thousand, two hundred twenty".