100203103150920 has 768 divisors, whose sum is σ = 415976336455680. Its totient is φ = 20311932211200.

The previous prime is 100203103150919. The next prime is 100203103150949. The reversal of 100203103150920 is 29051301302001.

100203103150920 is a `hidden beast` number, since 10 + 0 + 2 + 0 + 310 + 315 + 0 + 9 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 966627732 + ... + 966731388.

It is an arithmetic number, because the mean of its divisors is an integer number (541635854760).

Almost surely, 2^{100203103150920} is an apocalyptic number.

100203103150920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100203103150920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207988168227840).

100203103150920 is an abundant number, since it is smaller than the sum of its proper divisors (315773233304760).

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

100203103150920 is a wasteful number, since it uses less digits than its factorization.

100203103150920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104546 (or 104539 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 100203103150920 its reverse (29051301302001), we get a palindrome (129254404452921).

The spelling of 100203103150920 in words is "one hundred trillion, two hundred three billion, one hundred three million, one hundred fifty thousand, nine hundred twenty".