101025730220 has 12 divisors (see below), whose sum is σ = 212154033504. Its totient is φ = 40410292080.

The previous prime is 101025730163. The next prime is 101025730231. The reversal of 101025730220 is 22037520101.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2525643236 + ... + 2525643275.

It is an arithmetic number, because the mean of its divisors is an integer number (17679502792).

Almost surely, 2^101025730220 is an apocalyptic number.

101025730220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101025730220 is an abundant number, since it is smaller than the sum of its proper divisors (111128303284).

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

101025730220 is a wasteful number, since it uses less digits than its factorization.

101025730220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051286520 (or 5051286518 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The spelling of 101025730220 in words is "one hundred one billion, twenty-five million, seven hundred thirty thousand, two hundred twenty".