102042332020 has 12 divisors (see below), whose sum is σ = 214288897284. Its totient is φ = 40816932800.

The previous prime is 102042332003. The next prime is 102042332069. The reversal of 102042332020 is 20233240201.

It can be written as a sum of positive squares in 2 ways, for example, as 18963493264 + 83078838756 = 137708^2 + 288234^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551058281 + ... + 2551058320.

It is an arithmetic number, because the mean of its divisors is an integer number (17857408107).

Almost surely, 2^102042332020 is an apocalyptic number.

102042332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102042332020 is an abundant number, since it is smaller than the sum of its proper divisors (112246565264).

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

102042332020 is a wasteful number, since it uses less digits than its factorization.

102042332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102116610 (or 5102116608 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 102042332020 its reverse (20233240201), we get a palindrome (122275572221).

The spelling of 102042332020 in words is "one hundred two billion, forty-two million, three hundred thirty-two thousand, twenty".