1003481020 has 48 divisors (see below), whose sum is σ = 2158369920. Its totient is φ = 391716864.

The previous prime is 1003481009. The next prime is 1003481041. The reversal of 1003481020 is 201843001.

It is a congruent number.

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, 371836 + ... + 374524.

It is an arithmetic number, because the mean of its divisors is an integer number (44966040).

Almost surely, 2^1003481020 is an apocalyptic number.

1003481020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003481020 is an abundant number, since it is smaller than the sum of its proper divisors (1154888900).

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

1003481020 is a wasteful number, since it uses less digits than its factorization.

1003481020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142 (or 3140 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1003481020 is about 31677.7685451485. The cubic root of 1003481020 is about 1001.1589962088.

The spelling of 1003481020 in words is "one billion, three million, four hundred eighty-one thousand, twenty".