1020310123220 has 24 divisors (see below), whose sum is σ = 2143365840000. Its totient is φ = 407987938592.

The previous prime is 1020310123177. The next prime is 1020310123223. The reversal of 1020310123220 is 223210130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020310123223) 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 7 ways as a sum of consecutive naturals, for example, 8445440 + ... + 8565399.

It is an arithmetic number, because the mean of its divisors is an integer number (89306910000).

Almost surely, 2^{1020310123220} is an apocalyptic number.

1020310123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020310123220 is an abundant number, since it is smaller than the sum of its proper divisors (1123055716780).

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

1020310123220 is a wasteful number, since it uses less digits than its factorization.

1020310123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17013847 (or 17013845 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020310123220 its reverse (223210130201), we get a palindrome (1243520253421).

The spelling of 1020310123220 in words is "one trillion, twenty billion, three hundred ten million, one hundred twenty-three thousand, two hundred twenty".