101906020 has 24 divisors (see below), whose sum is σ = 214200000. Its totient is φ = 40724832.

The previous prime is 101906009. The next prime is 101906023. The reversal of 101906020 is 20609101.

It is not an unprimeable number, because it can be changed into a prime (101906023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32481 + ... + 35479.

It is an arithmetic number, because the mean of its divisors is an integer number (8925000).

Almost surely, 2^101906020 is an apocalyptic number.

101906020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101906020 is an abundant number, since it is smaller than the sum of its proper divisors (112293980).

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

101906020 is a wasteful number, since it uses less digits than its factorization.

101906020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 101906020 is about 10094.8511628453. The cubic root of 101906020 is about 467.0893302267.

The spelling of 101906020 in words is "one hundred one million, nine hundred six thousand, twenty".