20659148234 has 16 divisors (see below), whose sum is σ = 31070692800. Its totient is φ = 10302270720.

The previous prime is 20659148233. The next prime is 20659148239. The reversal of 20659148234 is 43284195602.

It is not an unprimeable number, because it can be changed into a prime (20659148233) 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, 4238819 + ... + 4243689.

It is an arithmetic number, because the mean of its divisors is an integer number (1941918300).

Almost surely, 2^20659148234 is an apocalyptic number.

20659148234 is a deficient number, since it is larger than the sum of its proper divisors (10411544566).

20659148234 is a wasteful number, since it uses less digits than its factorization.

20659148234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 20659148234 in words is "twenty billion, six hundred fifty-nine million, one hundred forty-eight thousand, two hundred thirty-four".