10203442536540 has 96 divisors (see below), whose sum is σ = 31192575515136. Its totient is φ = 2471522423040.

The previous prime is 10203442536527. The next prime is 10203442536541. The reversal of 10203442536540 is 4563524430201.

It is a super-2 number, since 2×10203442536540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203442536541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5571952 + ... + 7173111.

It is an arithmetic number, because the mean of its divisors is an integer number (324922661616).

Almost surely, 2^{10203442536540} is an apocalyptic number.

10203442536540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203442536540 is an abundant number, since it is smaller than the sum of its proper divisors (20989132978596).

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

10203442536540 is a wasteful number, since it uses less digits than its factorization.

10203442536540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12746299 (or 12746297 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 10203442536540 its reverse (4563524430201), we get a palindrome (14766966966741).

The spelling of 10203442536540 in words is "ten trillion, two hundred three billion, four hundred forty-two million, five hundred thirty-six thousand, five hundred forty".