20522553334 has 8 divisors (see below), whose sum is σ = 32404031640. Its totient is φ = 9721209456.

The previous prime is 20522553329. The next prime is 20522553349. The reversal of 20522553334 is 43335522502.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20522553334.

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, 270033559 + ... + 270033634.

It is an arithmetic number, because the mean of its divisors is an integer number (4050503955).

Almost surely, 2^20522553334 is an apocalyptic number.

20522553334 is a deficient number, since it is larger than the sum of its proper divisors (11881478306).

20522553334 is a wasteful number, since it uses less digits than its factorization.

20522553334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540067214.

The product of its (nonzero) digits is 108000, while the sum is 34.

The spelling of 20522553334 in words is "twenty billion, five hundred twenty-two million, five hundred fifty-three thousand, three hundred thirty-four".