103202321021020 has 48 divisors (see below), whose sum is σ = 233397096720480. Its totient is φ = 38105296310016.

The previous prime is 103202321021003. The next prime is 103202321021029. The reversal of 103202321021020 is 20120123202301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103202321021029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64388511 + ... + 65971849.

It is an arithmetic number, because the mean of its divisors is an integer number (4862439515010).

Almost surely, 2^{103202321021020} is an apocalyptic number.

103202321021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103202321021020 is an abundant number, since it is smaller than the sum of its proper divisors (130194775699460).

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

103202321021020 is a wasteful number, since it uses less digits than its factorization.

103202321021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834054 (or 1834052 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103202321021020 its reverse (20120123202301), we get a palindrome (123322444223321).

The spelling of 103202321021020 in words is "one hundred three trillion, two hundred two billion, three hundred twenty-one million, twenty-one thousand, twenty".