15112020430 has 32 divisors (see below), whose sum is σ = 30239048448. Its totient is φ = 5399827200.

The previous prime is 15112020419. The next prime is 15112020431. The reversal of 15112020430 is 3402021151.

It is a super-2 number, since 2×15112020430² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15112020398 and 15112020407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15112020431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1870911 + ... + 1878970.

It is an arithmetic number, because the mean of its divisors is an integer number (944970264).

Almost surely, 2^15112020430 is an apocalyptic number.

15112020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15112020430 is an abundant number, since it is smaller than the sum of its proper divisors (15127028018).

15112020430 is a wasteful number, since it uses less digits than its factorization.

15112020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749932.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 15112020430 its reverse (3402021151), we get a palindrome (18514041581).

The spelling of 15112020430 in words is "fifteen billion, one hundred twelve million, twenty thousand, four hundred thirty".