103202001020 has 24 divisors (see below), whose sum is σ = 216730281264. Its totient is φ = 41279642496.

The previous prime is 103202001013. The next prime is 103202001043. The reversal of 103202001020 is 20100202301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103202000992 and 103202001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230959 + ... + 1312121.

It is an arithmetic number, because the mean of its divisors is an integer number (9030428386).

Almost surely, 2^103202001020 is an apocalyptic number.

103202001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103202001020 is an abundant number, since it is smaller than the sum of its proper divisors (113528280244).

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

103202001020 is a wasteful number, since it uses less digits than its factorization.

103202001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144749 (or 144747 counting only the distinct ones).

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

Adding to 103202001020 its reverse (20100202301), we get a palindrome (123302203321).

The spelling of 103202001020 in words is "one hundred three billion, two hundred two million, one thousand, twenty".