103202100020 has 12 divisors (see below), whose sum is σ = 216724410084. Its totient is φ = 41280840000.

The previous prime is 103202100007. The next prime is 103202100037. The reversal of 103202100020 is 20001202301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11081351824 + 92120748196 = 105268^2 + 303514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103202099974 and 103202100010.

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, 2580052481 + ... + 2580052520.

It is an arithmetic number, because the mean of its divisors is an integer number (18060367507).

Almost surely, 2^103202100020 is an apocalyptic number.

103202100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103202100020 is an abundant number, since it is smaller than the sum of its proper divisors (113522310064).

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

103202100020 is a wasteful number, since it uses less digits than its factorization.

103202100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160105010 (or 5160105008 counting only the distinct ones).

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

Adding to 103202100020 its reverse (20001202301), we get a palindrome (123203302321).

The spelling of 103202100020 in words is "one hundred three billion, two hundred two million, one hundred thousand, twenty".