103020520000 has 140 divisors (see below), whose sum is σ = 258964164316. Its totient is φ = 40642560000.

The previous prime is 103020519997. The next prime is 103020520033. The reversal of 103020520000 is 25020301.

It can be written as a sum of positive squares in 10 ways, for example, as 89769747456 + 13250772544 = 299616^2 + 115112^2 .

It is a super-2 number, since 2×103020520000² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2902360 + ... + 2937640.

Almost surely, 2^103020520000 is an apocalyptic number.

103020520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103020520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129482082158).

103020520000 is an abundant number, since it is smaller than the sum of its proper divisors (155943644316).

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

103020520000 is an frugal number, since it uses more digits than its factorization.

103020520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35386 (or 35361 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

Adding to 103020520000 its reverse (25020301), we get a palindrome (103045540301).

The spelling of 103020520000 in words is "one hundred three billion, twenty million, five hundred twenty thousand".