20424004040140 has 48 divisors (see below), whose sum is σ = 45175685990400. Its totient is φ = 7734841854912.

The previous prime is 20424004040101. The next prime is 20424004040179. The reversal of 20424004040140 is 4104040042402.

It is an interprime number because it is at equal distance from previous prime (20424004040101) and next prime (20424004040179).

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, 15983724 + ... + 17214163.

It is an arithmetic number, because the mean of its divisors is an integer number (941160124800).

Almost surely, 2^{20424004040140} is an apocalyptic number.

20424004040140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20424004040140 is an abundant number, since it is smaller than the sum of its proper divisors (24751681950260).

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

20424004040140 is a wasteful number, since it uses less digits than its factorization.

20424004040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33199534 (or 33199532 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 20424004040140 its reverse (4104040042402), we get a palindrome (24528044082542).

The spelling of 20424004040140 in words is "twenty trillion, four hundred twenty-four billion, four million, forty thousand, one hundred forty".