103202021020 has 48 divisors (see below), whose sum is σ = 256225717440. Its totient is φ = 34163426304.

The previous prime is 103202020931. The next prime is 103202021033. The reversal of 103202021020 is 20120202301.

It is a super-2 number, since 2×103202021020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12705549 + ... + 12713668.

It is an arithmetic number, because the mean of its divisors is an integer number (5338035780).

Almost surely, 2^103202021020 is an apocalyptic number.

103202021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103202021020 is an abundant number, since it is smaller than the sum of its proper divisors (153023696420).

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

103202021020 is a wasteful number, since it uses less digits than its factorization.

103202021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25419262 (or 25419260 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 103202021020 its reverse (20120202301), we get a palindrome (123322223321).

The spelling of 103202021020 in words is "one hundred three billion, two hundred two million, twenty-one thousand, twenty".