20040174312 has 32 divisors (see below), whose sum is σ = 50111793600. Its totient is φ = 6678543744.

The previous prime is 20040174307. The next prime is 20040174373. The reversal of 20040174312 is 21347104002.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16068 + ... + 200844.

It is an arithmetic number, because the mean of its divisors is an integer number (1565993550).

Almost surely, 2^20040174312 is an apocalyptic number.

It is an amenable number.

20040174312 is an abundant number, since it is smaller than the sum of its proper divisors (30071619288).

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

20040174312 is a wasteful number, since it uses less digits than its factorization.

20040174312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189305 (or 189301 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 20040174312 its reverse (21347104002), we get a palindrome (41387278314).

The spelling of 20040174312 in words is "twenty billion, forty million, one hundred seventy-four thousand, three hundred twelve".