101340020 has 18 divisors (see below), whose sum is σ = 212908626. Its totient is φ = 40518000.

The previous prime is 101339969. The next prime is 101340049. The reversal of 101340020 is 20043101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81072016 + 20268004 = 9004^2 + 4502^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101339983 and 101340010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43895 + ... + 46145.

It is an arithmetic number, because the mean of its divisors is an integer number (11828257).

Almost surely, 2^101340020 is an apocalyptic number.

101340020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101340020 is an abundant number, since it is smaller than the sum of its proper divisors (111568606).

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

101340020 is an frugal number, since it uses more digits than its factorization.

101340020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 101340020 is about 10066.7780347041. The cubic root of 101340020 is about 466.2229648880. Note that the first 3 decimals are identical.

Adding to 101340020 its reverse (20043101), we get a palindrome (121383121).

The spelling of 101340020 in words is "one hundred one million, three hundred forty thousand, twenty".