20147213072112 has 160 divisors (see below), whose sum is σ = 62195895017472. Its totient is φ = 5494763526912.

The previous prime is 20147213072111. The next prime is 20147213072113. The reversal of 20147213072112 is 21127031274102.

It is an interprime number because it is at equal distance from previous prime (20147213072111) and next prime (20147213072113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20147213072111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1086903 + ... + 6440169.

Almost surely, 2^{20147213072112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20147213072112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31097947508736).

20147213072112 is an abundant number, since it is smaller than the sum of its proper divisors (42048681945360).

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

20147213072112 is a wasteful number, since it uses less digits than its factorization.

20147213072112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353795 (or 5353789 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 20147213072112 in words is "twenty trillion, one hundred forty-seven billion, two hundred thirteen million, seventy-two thousand, one hundred twelve".