10203606605450 has 48 divisors (see below), whose sum is σ = 18988577733600. Its totient is φ = 4079320902720.

The previous prime is 10203606605447. The next prime is 10203606605483. The reversal of 10203606605450 is 5450660630201.

It is a happy number.

It is a super-2 number, since 2×10203606605450² (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 23 ways as a sum of consecutive naturals, for example, 1294377209 + ... + 1294385091.

It is an arithmetic number, because the mean of its divisors is an integer number (395595369450).

Almost surely, 2^{10203606605450} is an apocalyptic number.

10203606605450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10203606605450 is a deficient number, since it is larger than the sum of its proper divisors (8784971128150).

10203606605450 is a wasteful number, since it uses less digits than its factorization.

10203606605450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18071 (or 18066 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 10203606605450 in words is "ten trillion, two hundred three billion, six hundred six million, six hundred five thousand, four hundred fifty".