100203142040 has 32 divisors (see below), whose sum is σ = 233231454000. Its totient is φ = 38699144064.

The previous prime is 100203142033. The next prime is 100203142043. The reversal of 100203142040 is 40241302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203142043) 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, 43189850 + ... + 43192169.

Almost surely, 2^100203142040 is an apocalyptic number.

100203142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203142040 is an abundant number, since it is smaller than the sum of its proper divisors (133028311960).

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

100203142040 is a wasteful number, since it uses less digits than its factorization.

100203142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86382059 (or 86382055 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 100203142040 its reverse (40241302001), we get a palindrome (140444444041).

The spelling of 100203142040 in words is "one hundred billion, two hundred three million, one hundred forty-two thousand, forty".