10203032340 has 36 divisors (see below), whose sum is σ = 30949198644. Its totient is φ = 2720808576.

The previous prime is 10203032339. The next prime is 10203032353. The reversal of 10203032340 is 4323030201.

10203032340 is a `hidden beast` number, since 1 + 0 + 20 + 303 + 2 + 340 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1773588996 + 8429443344 = 42114^2 + 91812^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28341577 + ... + 28341936.

Almost surely, 2^10203032340 is an apocalyptic number.

10203032340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203032340 is an abundant number, since it is smaller than the sum of its proper divisors (20746166304).

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

10203032340 is a wasteful number, since it uses less digits than its factorization.

10203032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56683528 (or 56683523 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 10203032340 its reverse (4323030201), we get a palindrome (14526062541).

The spelling of 10203032340 in words is "ten billion, two hundred three million, thirty-two thousand, three hundred forty".