20014197112 has 128 divisors (see below), whose sum is σ = 48565641600. Its totient is φ = 7518873600.

The previous prime is 20014197043. The next prime is 20014197131. The reversal of 20014197112 is 21179141002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1280062 + ... + 1295602.

It is an arithmetic number, because the mean of its divisors is an integer number (379419075).

Almost surely, 2^20014197112 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 20014197112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24282820800).

20014197112 is an abundant number, since it is smaller than the sum of its proper divisors (28551444488).

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

20014197112 is a wasteful number, since it uses less digits than its factorization.

20014197112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15657 (or 15653 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 20014197112 in words is "twenty billion, fourteen million, one hundred ninety-seven thousand, one hundred twelve".