10020543454534 has 16 divisors (see below), whose sum is σ = 15170313921840. Its totient is φ = 4963781852640.

The previous prime is 10020543454529. The next prime is 10020543454541. The reversal of 10020543454534 is 43545434502001.

It is a super-2 number, since 2×10020543454534² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352509 + ... + 4490584.

It is an arithmetic number, because the mean of its divisors is an integer number (948144620115).

Almost surely, 2^{10020543454534} is an apocalyptic number.

10020543454534 is a deficient number, since it is larger than the sum of its proper divisors (5149770467306).

10020543454534 is a wasteful number, since it uses less digits than its factorization.

10020543454534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852695.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 10020543454534 its reverse (43545434502001), we get a palindrome (53565977956535).

The spelling of 10020543454534 in words is "ten trillion, twenty billion, five hundred forty-three million, four hundred fifty-four thousand, five hundred thirty-four".