20010113554 has 16 divisors (see below), whose sum is σ = 31703950080. Its totient is φ = 9457141680.

The previous prime is 20010113533. The next prime is 20010113569. The reversal of 20010113554 is 45531101002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750169 + ... + 3755500.

It is an arithmetic number, because the mean of its divisors is an integer number (1981496880).

Almost surely, 2^20010113554 is an apocalyptic number.

20010113554 is a deficient number, since it is larger than the sum of its proper divisors (11693836526).

20010113554 is a wasteful number, since it uses less digits than its factorization.

20010113554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505745.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 20010113554 its reverse (45531101002), we get a palindrome (65541214556).

The spelling of 20010113554 in words is "twenty billion, ten million, one hundred thirteen thousand, five hundred fifty-four".