101826172820 has 24 divisors (see below), whose sum is σ = 214009858944. Its totient is φ = 40697155616.

The previous prime is 101826172813. The next prime is 101826172837. The reversal of 101826172820 is 28271628101.

101826172820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057024 + ... + 2105943.

It is an arithmetic number, because the mean of its divisors is an integer number (8917077456).

Almost surely, 2^101826172820 is an apocalyptic number.

101826172820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101826172820 is an abundant number, since it is smaller than the sum of its proper divisors (112183686124).

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

101826172820 is a wasteful number, since it uses less digits than its factorization.

101826172820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164199 (or 4164197 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 101826172820 in words is "one hundred one billion, eight hundred twenty-six million, one hundred seventy-two thousand, eight hundred twenty".