20403040033032 has 64 divisors (see below), whose sum is σ = 51906884616000. Its totient is φ = 6681263180544.

The previous prime is 20403040033031. The next prime is 20403040033039. The reversal of 20403040033032 is 23033004030402.

It is a super-2 number, since 2×20403040033032² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20403040032993 and 20403040033011.

It is not an unprimeable number, because it can be changed into a prime (20403040033031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2711407 + ... + 6939582.

It is an arithmetic number, because the mean of its divisors is an integer number (811045072125).

Almost surely, 2^{20403040033032} is an apocalyptic number.

It is an amenable number.

20403040033032 is an abundant number, since it is smaller than the sum of its proper divisors (31503844582968).

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

20403040033032 is a wasteful number, since it uses less digits than its factorization.

20403040033032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652550 (or 9652546 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20403040033032 its reverse (23033004030402), we get a palindrome (43436044063434).

The spelling of 20403040033032 in words is "twenty trillion, four hundred three billion, forty million, thirty-three thousand, thirty-two".