20464153882 has 16 divisors (see below), whose sum is σ = 30956725800. Its totient is φ = 10145421568.

The previous prime is 20464153877. The next prime is 20464153909. The reversal of 20464153882 is 28835146402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19099516401 + 1364637481 = 138201^2 + 36941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191244 + ... + 278392.

Almost surely, 2^20464153882 is an apocalyptic number.

20464153882 is a deficient number, since it is larger than the sum of its proper divisors (10492571918).

20464153882 is a wasteful number, since it uses less digits than its factorization.

20464153882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88145.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 20464153882 in words is "twenty billion, four hundred sixty-four million, one hundred fifty-three thousand, eight hundred eighty-two".