1003202523020 has 48 divisors (see below), whose sum is σ = 2161902657600. Its totient is φ = 390805447680.

The previous prime is 1003202523017. The next prime is 1003202523047. The reversal of 1003202523020 is 203252023001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1003202522983 and 1003202523001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608480 + ... + 1541639.

It is an arithmetic number, because the mean of its divisors is an integer number (45039638700).

Almost surely, 2^{1003202523020} is an apocalyptic number.

1003202523020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003202523020 is an abundant number, since it is smaller than the sum of its proper divisors (1158700134580).

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

1003202523020 is a wasteful number, since it uses less digits than its factorization.

1003202523020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150738 (or 2150736 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 1003202523020 its reverse (203252023001), we get a palindrome (1206454546021).

The spelling of 1003202523020 in words is "one trillion, three billion, two hundred two million, five hundred twenty-three thousand, twenty".