101208020 has 12 divisors (see below), whose sum is σ = 212536884. Its totient is φ = 40483200.

The previous prime is 101208007. The next prime is 101208031. The reversal of 101208020 is 20802101.

It can be written as a sum of positive squares in 2 ways, for example, as 17960644 + 83247376 = 4238^2 + 9124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101207986 and 101208004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530181 + ... + 2530220.

It is an arithmetic number, because the mean of its divisors is an integer number (17711407).

Almost surely, 2^101208020 is an apocalyptic number.

101208020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101208020 is an abundant number, since it is smaller than the sum of its proper divisors (111328864).

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

101208020 is a wasteful number, since it uses less digits than its factorization.

101208020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060410 (or 5060408 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 101208020 is about 10060.2196795100. The cubic root of 101208020 is about 466.0204513733.

The spelling of 101208020 in words is "one hundred one million, two hundred eight thousand, twenty".