20343435522 has 32 divisors (see below), whose sum is σ = 41310532032. Its totient is φ = 6677282304.

The previous prime is 20343435487. The next prime is 20343435547. The reversal of 20343435522 is 22553434302.

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, 1178538 + ... + 1195674.

It is an arithmetic number, because the mean of its divisors is an integer number (1290954126).

Almost surely, 2^20343435522 is an apocalyptic number.

20343435522 is an abundant number, since it is smaller than the sum of its proper divisors (20967096510).

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

20343435522 is a wasteful number, since it uses less digits than its factorization.

20343435522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20162.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 20343435522 its reverse (22553434302), we get a palindrome (42896869824).

The spelling of 20343435522 in words is "twenty billion, three hundred forty-three million, four hundred thirty-five thousand, five hundred twenty-two".