101605474020 has 48 divisors (see below), whose sum is σ = 284509407168. Its totient is φ = 27093452160.

The previous prime is 101605474007. The next prime is 101605474027. The reversal of 101605474020 is 20474506101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (101605474027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014915 + ... + 2064725.

It is an arithmetic number, because the mean of its divisors is an integer number (5927279316).

Almost surely, 2^101605474020 is an apocalyptic number.

101605474020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101605474020 is an abundant number, since it is smaller than the sum of its proper divisors (182903933148).

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

101605474020 is a wasteful number, since it uses less digits than its factorization.

101605474020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83820 (or 83818 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 101605474020 in words is "one hundred one billion, six hundred five million, four hundred seventy-four thousand, twenty".