103420553020 has 48 divisors (see below), whose sum is σ = 222370172640. Its totient is φ = 40381399296.

The previous prime is 103420553003. The next prime is 103420553021. The reversal of 103420553020 is 20355024301.

It is a super-2 number, since 2×103420553020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420553021) 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, 1399314 + ... + 1471366.

It is an arithmetic number, because the mean of its divisors is an integer number (4632711930).

Almost surely, 2^103420553020 is an apocalyptic number.

103420553020 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 103420553020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111185086320).

103420553020 is an abundant number, since it is smaller than the sum of its proper divisors (118949619620).

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

103420553020 is a wasteful number, since it uses less digits than its factorization.

103420553020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73774 (or 73772 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 103420553020 its reverse (20355024301), we get a palindrome (123775577321).

The spelling of 103420553020 in words is "one hundred three billion, four hundred twenty million, five hundred fifty-three thousand, twenty".