20335105354 has 16 divisors (see below), whose sum is σ = 31336758216. Its totient is φ = 9889689600.

The previous prime is 20335105267. The next prime is 20335105367. The reversal of 20335105354 is 45350153302.

It can be written as a sum of positive squares in 4 ways, for example, as 20233640025 + 101465329 = 142245^2 + 10073^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207834 + ... + 289594.

Almost surely, 2^20335105354 is an apocalyptic number.

20335105354 is a deficient number, since it is larger than the sum of its proper divisors (11001652862).

20335105354 is a wasteful number, since it uses less digits than its factorization.

20335105354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85161.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 20335105354 its reverse (45350153302), we get a palindrome (65685258656).

The spelling of 20335105354 in words is "twenty billion, three hundred thirty-five million, one hundred five thousand, three hundred fifty-four".