20552254241452 has 48 divisors (see below), whose sum is σ = 37528638174720. Its totient is φ = 9840138864192.

The previous prime is 20552254241443. The next prime is 20552254241471. The reversal of 20552254241452 is 25414245225502.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 20552254241399 and 20552254241408.

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, 965118 + ... + 6483514.

It is an arithmetic number, because the mean of its divisors is an integer number (781846628640).

Almost surely, 2^{20552254241452} is an apocalyptic number.

It is an amenable number.

20552254241452 is a deficient number, since it is larger than the sum of its proper divisors (16976383933268).

20552254241452 is a wasteful number, since it uses less digits than its factorization.

20552254241452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518870 (or 5518868 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 43.

Adding to 20552254241452 its reverse (25414245225502), we get a palindrome (45966499466954).

The spelling of 20552254241452 in words is "twenty trillion, five hundred fifty-two billion, two hundred fifty-four million, two hundred forty-one thousand, four hundred fifty-two".