20003455351 has 32 divisors (see below), whose sum is σ = 22663618560. Its totient is φ = 17499283200.

The previous prime is 20003455337. The next prime is 20003455361. The reversal of 20003455351 is 15355430002.

It is a cyclic number.

It is not a de Polignac number, because 20003455351 - 2⁹ = 20003454839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003455301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7719066 + ... + 7721656.

It is an arithmetic number, because the mean of its divisors is an integer number (708238080).

Almost surely, 2^20003455351 is an apocalyptic number.

20003455351 is a deficient number, since it is larger than the sum of its proper divisors (2660163209).

20003455351 is a wasteful number, since it uses less digits than its factorization.

20003455351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 20003455351 its reverse (15355430002), we get a palindrome (35358885353).

The spelling of 20003455351 in words is "twenty billion, three million, four hundred fifty-five thousand, three hundred fifty-one".