20412262743452 has 6 divisors (see below), whose sum is σ = 35721459801048. Its totient is φ = 10206131371724.

The previous prime is 20412262743403. The next prime is 20412262743461. The reversal of 20412262743452 is 25434726221402.

It is a happy number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2551532842928 + ... + 2551532842935.

It is an arithmetic number, because the mean of its divisors is an integer number (5953576633508).

Almost surely, 2^{20412262743452} is an apocalyptic number.

It is an amenable number.

20412262743452 is a deficient number, since it is larger than the sum of its proper divisors (15309197057596).

20412262743452 is a wasteful number, since it uses less digits than its factorization.

20412262743452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103065685867 (or 5103065685865 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 44.

Adding to 20412262743452 its reverse (25434726221402), we get a palindrome (45846988964854).

The spelling of 20412262743452 in words is "twenty trillion, four hundred twelve billion, two hundred sixty-two million, seven hundred forty-three thousand, four hundred fifty-two".