10020543454532 has 24 divisors (see below), whose sum is σ = 18885343640856. Its totient is φ = 4624750303488.

The previous prime is 10020543454529. The next prime is 10020543454541. The reversal of 10020543454532 is 23545434502001.

It can be written as a sum of positive squares in 4 ways, for example, as 4218727034116 + 5801816420416 = 2053954^2 + 2408696^2 .

It is a super-2 number, since 2×10020543454532² (a number of 27 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 302273 + ... + 4486920.

It is an arithmetic number, because the mean of its divisors is an integer number (786889318369).

Almost surely, 2^{10020543454532} is an apocalyptic number.

It is an amenable number.

10020543454532 is a deficient number, since it is larger than the sum of its proper divisors (8864800186324).

10020543454532 is a wasteful number, since it uses less digits than its factorization.

10020543454532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829447 (or 4829445 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 10020543454532 its reverse (23545434502001), we get a palindrome (33565977956533).

The spelling of 10020543454532 in words is "ten trillion, twenty billion, five hundred forty-three million, four hundred fifty-four thousand, five hundred thirty-two".