20053378662 has 8 divisors (see below), whose sum is σ = 40106757336. Its totient is φ = 6684459552.

The previous prime is 20053378651. The next prime is 20053378769. The reversal of 20053378662 is 26687335002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20053378662 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671114883 + ... + 1671114894.

It is an arithmetic number, because the mean of its divisors is an integer number (5013344667).

Almost surely, 2^20053378662 is an apocalyptic number.

20053378662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20053378662 is a wasteful number, since it uses less digits than its factorization.

20053378662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342229782.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20053378662 in words is "twenty billion, fifty-three million, three hundred seventy-eight thousand, six hundred sixty-two".