20110456354 has 16 divisors (see below), whose sum is σ = 30412324800. Its totient is φ = 9973097680.

The previous prime is 20110456313. The next prime is 20110456361. The reversal of 20110456354 is 45365401102.

It is a happy number.

It is a super-2 number, since 2×20110456354² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490947 + ... + 530329.

It is an arithmetic number, because the mean of its divisors is an integer number (1900770300).

Almost surely, 2^20110456354 is an apocalyptic number.

20110456354 is a deficient number, since it is larger than the sum of its proper divisors (10301868446).

20110456354 is a wasteful number, since it uses less digits than its factorization.

20110456354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41465.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 20110456354 its reverse (45365401102), we get a palindrome (65475857456).

The spelling of 20110456354 in words is "twenty billion, one hundred ten million, four hundred fifty-six thousand, three hundred fifty-four".