20575051622 has 4 divisors (see below), whose sum is σ = 30862577436. Its totient is φ = 10287525810.

The previous prime is 20575051621. The next prime is 20575051657. The reversal of 20575051622 is 22615057502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20575051621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5143762904 + ... + 5143762907.

It is an arithmetic number, because the mean of its divisors is an integer number (7715644359).

Almost surely, 2^20575051622 is an apocalyptic number.

20575051622 is a deficient number, since it is larger than the sum of its proper divisors (10287525814).

20575051622 is a wasteful number, since it uses less digits than its factorization.

20575051622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287525813.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 20575051622 in words is "twenty billion, five hundred seventy-five million, fifty-one thousand, six hundred twenty-two".