20003345354 has 16 divisors (see below), whose sum is σ = 30707270880. Its totient is φ = 9767656080.

The previous prime is 20003345333. The next prime is 20003345381. The reversal of 20003345354 is 45354330002.

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, 815144 + ... + 839324.

It is an arithmetic number, because the mean of its divisors is an integer number (1919204430).

Almost surely, 2^20003345354 is an apocalyptic number.

20003345354 is a deficient number, since it is larger than the sum of its proper divisors (10703925526).

20003345354 is a wasteful number, since it uses less digits than its factorization.

20003345354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33845.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 20003345354 its reverse (45354330002), we get a palindrome (65357675356).

The spelling of 20003345354 in words is "twenty billion, three million, three hundred forty-five thousand, three hundred fifty-four".