1020331323210 has 128 divisors (see below), whose sum is σ = 2621227392000. Its totient is φ = 253445524992.

The previous prime is 1020331323169. The next prime is 1020331323241. The reversal of 1020331323210 is 123231330201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9024489 + ... + 9136851.

It is an arithmetic number, because the mean of its divisors is an integer number (20478339000).

Almost surely, 2^{1020331323210} is an apocalyptic number.

1020331323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020331323210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310613696000).

1020331323210 is an abundant number, since it is smaller than the sum of its proper divisors (1600896068790).

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

1020331323210 is a wasteful number, since it uses less digits than its factorization.

1020331323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112660.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1020331323210 its reverse (123231330201), we get a palindrome (1143562653411).

The spelling of 1020331323210 in words is "one trillion, twenty billion, three hundred thirty-one million, three hundred twenty-three thousand, two hundred ten".