20023253355 has 32 divisors (see below), whose sum is σ = 37214189568. Its totient is φ = 9003427200.

The previous prime is 20023253347. The next prime is 20023253381. The reversal of 20023253355 is 55335232002.

It is not a de Polignac number, because 20023253355 - 2³ = 20023253347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1556691 + ... + 1569500.

It is an arithmetic number, because the mean of its divisors is an integer number (1162943424).

Almost surely, 2^20023253355 is an apocalyptic number.

20023253355 is a deficient number, since it is larger than the sum of its proper divisors (17190936213).

20023253355 is a wasteful number, since it uses less digits than its factorization.

20023253355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126267.

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 20023253355 its reverse (55335232002), we get a palindrome (75358485357).

The spelling of 20023253355 in words is "twenty billion, twenty-three million, two hundred fifty-three thousand, three hundred fifty-five".