20311119312 has 80 divisors (see below), whose sum is σ = 59729177088. Its totient is φ = 5887277440.

The previous prime is 20311119259. The next prime is 20311119341. The reversal of 20311119312 is 21391111302.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 824118 + ... + 848405.

Almost surely, 2^20311119312 is an apocalyptic number.

20311119312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20311119312 is an abundant number, since it is smaller than the sum of its proper divisors (39418057776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20311119312 is a wasteful number, since it uses less digits than its factorization.

20311119312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672568 (or 1672562 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 20311119312 in words is "twenty billion, three hundred eleven million, one hundred nineteen thousand, three hundred twelve".