20126536328 has 32 divisors (see below), whose sum is σ = 38063861760. Its totient is φ = 9976296960.

The previous prime is 20126536327. The next prime is 20126536363. The reversal of 20126536328 is 82363562102.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20126536291 and 20126536300.

It is not an unprimeable number, because it can be changed into a prime (20126536327) 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, 1438808 + ... + 1452728.

It is an arithmetic number, because the mean of its divisors is an integer number (1189495680).

Almost surely, 2^20126536328 is an apocalyptic number.

It is an amenable number.

20126536328 is a deficient number, since it is larger than the sum of its proper divisors (17937325432).

20126536328 is a wasteful number, since it uses less digits than its factorization.

20126536328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15477 (or 15473 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20126536328 in words is "twenty billion, one hundred twenty-six million, five hundred thirty-six thousand, three hundred twenty-eight".