102003402024 has 24 divisors (see below), whose sum is σ = 276259214010. Its totient is φ = 34001133984.

The previous prime is 102003401933. The next prime is 102003402031. The reversal of 102003402024 is 420204300201.

It can be written as a sum of positive squares in only one way, i.e., 61956188100 + 40047213924 = 248910^2 + 200118^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102003401988 and 102003402006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708356887 + ... + 708357030.

Almost surely, 2^102003402024 is an apocalyptic number.

It is an amenable number.

102003402024 is an abundant number, since it is smaller than the sum of its proper divisors (174255811986).

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

102003402024 is a wasteful number, since it uses less digits than its factorization.

102003402024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416713929 (or 1416713922 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 102003402024 its reverse (420204300201), we get a palindrome (522207702225).

The spelling of 102003402024 in words is "one hundred two billion, three million, four hundred two thousand, twenty-four".