15114235420 has 24 divisors (see below), whose sum is σ = 32067113904. Its totient is φ = 5983366656.

The previous prime is 15114235393. The next prime is 15114235427. The reversal of 15114235420 is 2453241151.

It is a super-2 number, since 2×15114235420² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15114235427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3893482 + ... + 3897361.

It is an arithmetic number, because the mean of its divisors is an integer number (1336129746).

Almost surely, 2^15114235420 is an apocalyptic number.

15114235420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15114235420 is an abundant number, since it is smaller than the sum of its proper divisors (16952878484).

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

15114235420 is a wasteful number, since it uses less digits than its factorization.

15114235420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790949 (or 7790947 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15114235420 its reverse (2453241151), we get a palindrome (17567476571).

The spelling of 15114235420 in words is "fifteen billion, one hundred fourteen million, two hundred thirty-five thousand, four hundred twenty".