20133241402540 has 48 divisors (see below), whose sum is σ = 48321497548800. Its totient is φ = 6902580169152.

The previous prime is 20133241402531. The next prime is 20133241402553. The reversal of 20133241402540 is 4520414233102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416381 + ... + 6501739.

It is an arithmetic number, because the mean of its divisors is an integer number (1006697865600).

Almost surely, 2^{20133241402540} is an apocalyptic number.

20133241402540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133241402540 is an abundant number, since it is smaller than the sum of its proper divisors (28188256146260).

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

20133241402540 is a wasteful number, since it uses less digits than its factorization.

20133241402540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113654 (or 5113652 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20133241402540 its reverse (4520414233102), we get a palindrome (24653655635642).

The spelling of 20133241402540 in words is "twenty trillion, one hundred thirty-three billion, two hundred forty-one million, four hundred two thousand, five hundred forty".