16712001020 has 144 divisors (see below), whose sum is σ = 43261972992. Its totient is φ = 5365451520.

The previous prime is 16712000989. The next prime is 16712001067. The reversal of 16712001020 is 2010021761.

It is a super-3 number, since 3×16712001020³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 16712000983 and 16712001001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 845369 + ... + 864911.

It is an arithmetic number, because the mean of its divisors is an integer number (300430368).

Almost surely, 2^16712001020 is an apocalyptic number.

16712001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16712001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21630986496).

16712001020 is an abundant number, since it is smaller than the sum of its proper divisors (26549971972).

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

16712001020 is a wasteful number, since it uses less digits than its factorization.

16712001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19612 (or 19597 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 16712001020 its reverse (2010021761), we get a palindrome (18722022781).

The spelling of 16712001020 in words is "sixteen billion, seven hundred twelve million, one thousand, twenty".