1042344221020 has 24 divisors (see below), whose sum is σ = 2197060135200. Its totient is φ = 415387732032.

The previous prime is 1042344220993. The next prime is 1042344221101. The reversal of 1042344221020 is 201224432401.

1042344221020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96866760 + ... + 96877519.

It is an arithmetic number, because the mean of its divisors is an integer number (91544172300).

Almost surely, 2^{1042344221020} is an apocalyptic number.

1042344221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042344221020 is an abundant number, since it is smaller than the sum of its proper divisors (1154715914180).

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

1042344221020 is a wasteful number, since it uses less digits than its factorization.

1042344221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193744557 (or 193744555 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1042344221020 its reverse (201224432401), we get a palindrome (1243568653421).

The spelling of 1042344221020 in words is "one trillion, forty-two billion, three hundred forty-four million, two hundred twenty-one thousand, twenty".