1020120442330 has 64 divisors (see below), whose sum is σ = 2096162074368. Its totient is φ = 353819023360.

The previous prime is 1020120442321. The next prime is 1020120442373. The reversal of 1020120442330 is 332440210201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 321972 + ... + 1464208.

It is an arithmetic number, because the mean of its divisors is an integer number (32752532412).

Almost surely, 2^{1020120442330} is an apocalyptic number.

1020120442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020120442330 is an abundant number, since it is smaller than the sum of its proper divisors (1076041632038).

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

1020120442330 is a wasteful number, since it uses less digits than its factorization.

1020120442330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142631.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1020120442330 its reverse (332440210201), we get a palindrome (1352560652531).

The spelling of 1020120442330 in words is "one trillion, twenty billion, one hundred twenty million, four hundred forty-two thousand, three hundred thirty".