20311063774 has 8 divisors (see below), whose sum is σ = 30472607088. Its totient is φ = 10153528080.

The previous prime is 20311063733. The next prime is 20311063777. The reversal of 20311063774 is 47736011302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311063777) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 989202 + ... + 1009525.

It is an arithmetic number, because the mean of its divisors is an integer number (3809075886).

Almost surely, 2^20311063774 is an apocalyptic number.

20311063774 is a deficient number, since it is larger than the sum of its proper divisors (10161543314).

20311063774 is a wasteful number, since it uses less digits than its factorization.

20311063774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003810.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 20311063774 in words is "twenty billion, three hundred eleven million, sixty-three thousand, seven hundred seventy-four".