20124004011452 has 24 divisors (see below), whose sum is σ = 39235969140480. Its totient is φ = 8952651686960.

The previous prime is 20124004011451. The next prime is 20124004011481. The reversal of 20124004011452 is 25411040042102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124004011451) by changing a digit.

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, 4865569502 + ... + 4865573637.

It is an arithmetic number, because the mean of its divisors is an integer number (1634832047520).

Almost surely, 2^{20124004011452} is an apocalyptic number.

20124004011452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20124004011452 is a deficient number, since it is larger than the sum of its proper divisors (19111965129028).

20124004011452 is a wasteful number, since it uses less digits than its factorization.

20124004011452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731143201 (or 9731143199 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 20124004011452 its reverse (25411040042102), we get a palindrome (45535044053554).

The spelling of 20124004011452 in words is "twenty trillion, one hundred twenty-four billion, four million, eleven thousand, four hundred fifty-two".