15304112020 has 48 divisors (see below), whose sum is σ = 33958995840. Its totient is φ = 5777364096.

The previous prime is 15304112003. The next prime is 15304112027. The reversal of 15304112020 is 2021140351.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15304112027) 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, 23374 + ... + 176506.

It is an arithmetic number, because the mean of its divisors is an integer number (707479080).

Almost surely, 2^15304112020 is an apocalyptic number.

15304112020 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 15304112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16979497920).

15304112020 is an abundant number, since it is smaller than the sum of its proper divisors (18654883820).

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

15304112020 is a wasteful number, since it uses less digits than its factorization.

15304112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153424 (or 153422 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 15304112020 its reverse (2021140351), we get a palindrome (17325252371).

The spelling of 15304112020 in words is "fifteen billion, three hundred four million, one hundred twelve thousand, twenty".