20535455350 has 24 divisors (see below), whose sum is σ = 39513051360. Its totient is φ = 7930933920.

The previous prime is 20535455329. The next prime is 20535455351. The reversal of 20535455350 is 5355453502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535455351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7079742 + ... + 7082641.

It is an arithmetic number, because the mean of its divisors is an integer number (1646377140).

Almost surely, 2^20535455350 is an apocalyptic number.

20535455350 is a deficient number, since it is larger than the sum of its proper divisors (18977596010).

20535455350 is a wasteful number, since it uses less digits than its factorization.

20535455350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162424 (or 14162419 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 20535455350 in words is "twenty billion, five hundred thirty-five million, four hundred fifty-five thousand, three hundred fifty".