15020640230 has 32 divisors (see below), whose sum is σ = 27772170624. Its totient is φ = 5846398336.

The previous prime is 15020640163. The next prime is 15020640259. The reversal of 15020640230 is 3204602051.

It is a junction number, because it is equal to n+sod(n) for n = 15020640196 and 15020640205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11057 + ... + 173676.

It is an arithmetic number, because the mean of its divisors is an integer number (867880332).

Almost surely, 2^15020640230 is an apocalyptic number.

15020640230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15020640230 is a deficient number, since it is larger than the sum of its proper divisors (12751530394).

15020640230 is a wasteful number, since it uses less digits than its factorization.

15020640230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184960.

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 15020640230 in words is "fifteen billion, twenty million, six hundred forty thousand, two hundred thirty".