20522020734 has 32 divisors (see below), whose sum is σ = 45609281280. Its totient is φ = 6839955000.

The previous prime is 20522020721. The next prime is 20522020763. The reversal of 20522020734 is 43702022502.

20522020734 is a `hidden beast` number, since 205 + 220 + 207 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20522020698 and 20522020707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834109 + ... + 858359.

It is an arithmetic number, because the mean of its divisors is an integer number (1425290040).

Almost surely, 2^20522020734 is an apocalyptic number.

20522020734 is an abundant number, since it is smaller than the sum of its proper divisors (25087260546).

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

20522020734 is a wasteful number, since it uses less digits than its factorization.

20522020734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39933 (or 39927 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The spelling of 20522020734 in words is "twenty billion, five hundred twenty-two million, twenty thousand, seven hundred thirty-four".