1020123303330 has 64 divisors (see below), whose sum is σ = 2514663750528. Its totient is φ = 264659834880.

The previous prime is 1020123303319. The next prime is 1020123303383. The reversal of 1020123303330 is 333033210201.

It is a super-2 number, since 2×1020123303330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020123303297 and 1020123303306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18266029 + ... + 18321791.

It is an arithmetic number, because the mean of its divisors is an integer number (39291621102).

Almost surely, 2^{1020123303330} is an apocalyptic number.

1020123303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020123303330 is an abundant number, since it is smaller than the sum of its proper divisors (1494540447198).

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

1020123303330 is a wasteful number, since it uses less digits than its factorization.

1020123303330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72291.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1020123303330 its reverse (333033210201), we get a palindrome (1353156513531).

The spelling of 1020123303330 in words is "one trillion, twenty billion, one hundred twenty-three million, three hundred three thousand, three hundred thirty".