1020331302220 has 24 divisors (see below), whose sum is σ = 2143855907424. Its totient is φ = 407911535616.

The previous prime is 1020331302217. The next prime is 1020331302223. The reversal of 1020331302220 is 222031330201.

1020331302220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020331302217) and next prime (1020331302223).

It is not an unprimeable number, because it can be changed into a prime (1020331302223) 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, 13773717 + ... + 13847596.

It is an arithmetic number, because the mean of its divisors is an integer number (89327329476).

Almost surely, 2^{1020331302220} is an apocalyptic number.

1020331302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020331302220 is an abundant number, since it is smaller than the sum of its proper divisors (1123524605204).

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

1020331302220 is a wasteful number, since it uses less digits than its factorization.

1020331302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27623169 (or 27623167 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1020331302220 its reverse (222031330201), we get a palindrome (1242362632421).

The spelling of 1020331302220 in words is "one trillion, twenty billion, three hundred thirty-one million, three hundred two thousand, two hundred twenty".