15436420120 has 48 divisors (see below), whose sum is σ = 38176447680. Its totient is φ = 5613241920.

The previous prime is 15436420099. The next prime is 15436420133. The reversal of 15436420120 is 2102463451.

It is a super-2 number, since 2×15436420120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1589832 + ... + 1599511.

It is an arithmetic number, because the mean of its divisors is an integer number (795342660).

Almost surely, 2^15436420120 is an apocalyptic number.

15436420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15436420120 is an abundant number, since it is smaller than the sum of its proper divisors (22740027560).

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

15436420120 is a wasteful number, since it uses less digits than its factorization.

15436420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189376 (or 3189361 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 15436420120 its reverse (2102463451), we get a palindrome (17538883571).

The spelling of 15436420120 in words is "fifteen billion, four hundred thirty-six million, four hundred twenty thousand, one hundred twenty".