15433222420 has 96 divisors (see below), whose sum is σ = 40468248576. Its totient is φ = 4803062400.

The previous prime is 15433222411. The next prime is 15433222423. The reversal of 15433222420 is 2422233451.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15433222423) 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, 1056889 + ... + 1071391.

It is an arithmetic number, because the mean of its divisors is an integer number (421544256).

Almost surely, 2^15433222420 is an apocalyptic number.

15433222420 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 15433222420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20234124288).

15433222420 is an abundant number, since it is smaller than the sum of its proper divisors (25035026156).

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

15433222420 is a wasteful number, since it uses less digits than its factorization.

15433222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221 (or 15219 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 15433222420 its reverse (2422233451), we get a palindrome (17855455871).

The spelling of 15433222420 in words is "fifteen billion, four hundred thirty-three million, two hundred twenty-two thousand, four hundred twenty".