10200920556543 has 8 divisors (see below), whose sum is σ = 13601244442800. Its totient is φ = 6800605187328.

The previous prime is 10200920556527. The next prime is 10200920556557. The reversal of 10200920556543 is 34565502900201.

It is a happy number.

It is a Cunningham number, because it is equal to 3193888²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10200920556543 - 2⁴ = 10200920556527 is a prime.

It is a super-2 number, since 2×10200920556543² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10200920556495 and 10200920556504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200920556503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596943 + ... + 4790831.

It is an arithmetic number, because the mean of its divisors is an integer number (1700155555350).

Almost surely, 2^{10200920556543} is an apocalyptic number.

10200920556543 is a deficient number, since it is larger than the sum of its proper divisors (3400323886257).

10200920556543 is a wasteful number, since it uses less digits than its factorization.

10200920556543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258521.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 10200920556543 in words is "ten trillion, two hundred billion, nine hundred twenty million, five hundred fifty-six thousand, five hundred forty-three".