2003132311020 has 72 divisors (see below), whose sum is σ = 6081227923680. Its totient is φ = 533723788800.

The previous prime is 2003132311003. The next prime is 2003132311039. The reversal of 2003132311020 is 201132313002.

2003132311020 is a `hidden beast` number, since 20 + 0 + 313 + 2 + 311 + 0 + 20 = 666.

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 = 2003132310984 and 2003132311002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4416840 + ... + 4849199.

It is an arithmetic number, because the mean of its divisors is an integer number (84461498940).

Almost surely, 2^{2003132311020} is an apocalyptic number.

2003132311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003132311020 is an abundant number, since it is smaller than the sum of its proper divisors (4078095612660).

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

2003132311020 is a wasteful number, since it uses less digits than its factorization.

2003132311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267255 (or 9267250 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2003132311020 its reverse (201132313002), we get a palindrome (2204264624022).

The spelling of 2003132311020 in words is "two trillion, three billion, one hundred thirty-two million, three hundred eleven thousand, twenty".