20311054 has 8 divisors (see below), whose sum is σ = 30513240. Its totient is φ = 10139976.

The previous prime is 20311043. The next prime is 20311069. The reversal of 20311054 is 45011302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 6069 + ... + 8800.

It is an arithmetic number, because the mean of its divisors is an integer number (3814155).

Almost surely, 2^20311054 is an apocalyptic number.

20311054 is a deficient number, since it is larger than the sum of its proper divisors (10202186).

20311054 is a wasteful number, since it uses less digits than its factorization.

20311054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15554.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20311054 is about 4506.7786721782. The cubic root of 20311054 is about 272.8417461332.

Adding to 20311054 its reverse (45011302), we get a palindrome (65322356).

The spelling of 20311054 in words is "twenty million, three hundred eleven thousand, fifty-four".