103204402020 has 120 divisors (see below), whose sum is σ = 323852848704. Its totient is φ = 27512944704.

The previous prime is 103204402019. The next prime is 103204402033. The reversal of 103204402020 is 20204402301.

103204402020 is a `hidden beast` number, since 1 + 0 + 3 + 20 + 440 + 202 + 0 = 666.

It is a super-2 number, since 2×103204402020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103204401984 and 103204402002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7002379 + ... + 7017101.

Almost surely, 2^103204402020 is an apocalyptic number.

103204402020 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 103204402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161926424352).

103204402020 is an abundant number, since it is smaller than the sum of its proper divisors (220648446684).

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

103204402020 is a wasteful number, since it uses less digits than its factorization.

103204402020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19071 (or 19060 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 103204402020 its reverse (20204402301), we get a palindrome (123408804321).

The spelling of 103204402020 in words is "one hundred three billion, two hundred four million, four hundred two thousand, twenty".