20413345453524 has 48 divisors (see below), whose sum is σ = 52923908822400. Its totient is φ = 6804394406208.

The previous prime is 20413345453519. The next prime is 20413345453531. The reversal of 20413345453524 is 42535454331402.

20413345453524 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 33 + 45 + 4 + 53 + 524 = 666.

It is a super-2 number, since 2×20413345453524² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20413345453524.

It is a congruent number.

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, 14288857 + ... + 15652415.

It is an arithmetic number, because the mean of its divisors is an integer number (1102581433800).

Almost surely, 2^{20413345453524} is an apocalyptic number.

It is an amenable number.

20413345453524 is an abundant number, since it is smaller than the sum of its proper divisors (32510563368876).

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

20413345453524 is a wasteful number, since it uses less digits than its factorization.

20413345453524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502189 (or 1502181 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

Adding to 20413345453524 its reverse (42535454331402), we get a palindrome (62948799784926).

The spelling of 20413345453524 in words is "twenty trillion, four hundred thirteen billion, three hundred forty-five million, four hundred fifty-three thousand, five hundred twenty-four".