20433010104240 has 40 divisors (see below), whose sum is σ = 63342331323888. Its totient is φ = 5448802694400.

The previous prime is 20433010104209. The next prime is 20433010104253. The reversal of 20433010104240 is 4240101033402.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a self number, because there is not a number n which added to its sum of digits gives 20433010104240.

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 7 ways as a sum of consecutive naturals, for example, 42568770811 + ... + 42568771290.

Almost surely, 2^{20433010104240} is an apocalyptic number.

20433010104240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20433010104240 is an abundant number, since it is smaller than the sum of its proper divisors (42909321219648).

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

20433010104240 is a wasteful number, since it uses less digits than its factorization.

20433010104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85137542117 (or 85137542111 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20433010104240 its reverse (4240101033402), we get a palindrome (24673111137642).

The spelling of 20433010104240 in words is "twenty trillion, four hundred thirty-three billion, ten million, one hundred four thousand, two hundred forty".