20342433554 has 16 divisors (see below), whose sum is σ = 32584101120. Its totient is φ = 9503694480.

The previous prime is 20342433547. The next prime is 20342433557. The reversal of 20342433554 is 45533424302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20342433557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655164 + ... + 5658759.

It is an arithmetic number, because the mean of its divisors is an integer number (2036506320).

Almost surely, 2^20342433554 is an apocalyptic number.

20342433554 is a deficient number, since it is larger than the sum of its proper divisors (12241667566).

20342433554 is a wasteful number, since it uses less digits than its factorization.

20342433554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11313985.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 20342433554 its reverse (45533424302), we get a palindrome (65875857856).

The spelling of 20342433554 in words is "twenty billion, three hundred forty-two million, four hundred thirty-three thousand, five hundred fifty-four".