20545433110 has 32 divisors (see below), whose sum is σ = 37859624352. Its totient is φ = 8023276800.

The previous prime is 20545433081. The next prime is 20545433141. The reversal of 20545433110 is 1133454502.

It is a super-2 number, since 2×20545433110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012060 + ... + 1032160.

It is an arithmetic number, because the mean of its divisors is an integer number (1183113261).

Almost surely, 2^20545433110 is an apocalyptic number.

20545433110 is a deficient number, since it is larger than the sum of its proper divisors (17314191242).

20545433110 is a wasteful number, since it uses less digits than its factorization.

20545433110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 20545433110 its reverse (1133454502), we get a palindrome (21678887612).

The spelling of 20545433110 in words is "twenty billion, five hundred forty-five million, four hundred thirty-three thousand, one hundred ten".