1020341100 has 72 divisors (see below), whose sum is σ = 2967810048. Its totient is φ = 270651200.

The previous prime is 1020341093. The next prime is 1020341117. The reversal of 1020341100 is 11430201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48397 + ... + 66203.

It is an arithmetic number, because the mean of its divisors is an integer number (41219584).

Almost surely, 2^1020341100 is an apocalyptic number.

1020341100 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 1020341100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483905024).

1020341100 is an abundant number, since it is smaller than the sum of its proper divisors (1947468948).

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

1020341100 is a wasteful number, since it uses less digits than its factorization.

1020341100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18015 (or 18008 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1020341100 is about 31942.7785266091. The cubic root of 1020341100 is about 1006.7349058800.

Adding to 1020341100 its reverse (11430201), we get a palindrome (1031771301).

The spelling of 1020341100 in words is "one billion, twenty million, three hundred forty-one thousand, one hundred".