15420201104 has 160 divisors (see below), whose sum is σ = 39150160896. Its totient is φ = 5708828160.

The previous prime is 15420201077. The next prime is 15420201109. The reversal of 15420201104 is 40110202451.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15420201109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1956179 + ... + 1964045.

Almost surely, 2^15420201104 is an apocalyptic number.

15420201104 is a gapful number since it is divisible by the number (14) 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 15420201104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19575080448).

15420201104 is an abundant number, since it is smaller than the sum of its proper divisors (23729959792).

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

15420201104 is a wasteful number, since it uses less digits than its factorization.

15420201104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 15420201104 its reverse (40110202451), we get a palindrome (55530403555).

The spelling of 15420201104 in words is "fifteen billion, four hundred twenty million, two hundred one thousand, one hundred four".