20119323812 has 24 divisors (see below), whose sum is σ = 42605627904. Its totient is φ = 8115357312.

The previous prime is 20119323787. The next prime is 20119323827. The reversal of 20119323812 is 21832391102.

It is a super-2 number, since 2×20119323812² (a number of 21 digits) contains 22 as substring.

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, 21133268 + ... + 21134219.

It is an arithmetic number, because the mean of its divisors is an integer number (1775234496).

Almost surely, 2^20119323812 is an apocalyptic number.

It is an amenable number.

20119323812 is an abundant number, since it is smaller than the sum of its proper divisors (22486304092).

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

20119323812 is a wasteful number, since it uses less digits than its factorization.

20119323812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42267515 (or 42267513 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 20119323812 in words is "twenty billion, one hundred nineteen million, three hundred twenty-three thousand, eight hundred twelve".