1020313020220 has 96 divisors (see below), whose sum is σ = 2364255754560. Its totient is φ = 367464867840.

The previous prime is 1020313020217. The next prime is 1020313020227. The reversal of 1020313020220 is 220203130201.

It is a junction number, because it is equal to n+sod(n) for n = 1020313020194 and 1020313020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020313020227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81041686 + ... + 81054274.

It is an arithmetic number, because the mean of its divisors is an integer number (24627664110).

Almost surely, 2^{1020313020220} is an apocalyptic number.

1020313020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020313020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182127877280).

1020313020220 is an abundant number, since it is smaller than the sum of its proper divisors (1343942734340).

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

1020313020220 is a wasteful number, since it uses less digits than its factorization.

1020313020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20255 (or 20253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020313020220 its reverse (220203130201), we get a palindrome (1240516150421).

The spelling of 1020313020220 in words is "one trillion, twenty billion, three hundred thirteen million, twenty thousand, two hundred twenty".