20311040030 has 8 divisors (see below), whose sum is σ = 36559872072. Its totient is φ = 8124416008.

The previous prime is 20311040027. The next prime is 20311040047. The reversal of 20311040030 is 3004011302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20311039987 and 20311040014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015551992 + ... + 1015552011.

It is an arithmetic number, because the mean of its divisors is an integer number (4569984009).

Almost surely, 2^20311040030 is an apocalyptic number.

20311040030 is a deficient number, since it is larger than the sum of its proper divisors (16248832042).

20311040030 is a wasteful number, since it uses less digits than its factorization.

20311040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031104010.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20311040030 its reverse (3004011302), we get a palindrome (23315051332).

The spelling of 20311040030 in words is "twenty billion, three hundred eleven million, forty thousand, thirty".