20703017088 has 192 divisors, whose sum is σ = 64267082880. Its totient is φ = 6359316480.

The previous prime is 20703017011. The next prime is 20703017119. The reversal of 20703017088 is 88071030702.

20703017088 is a `hidden beast` number, since 207 + 0 + 301 + 70 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×20703017088² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16817433 + ... + 16818663.

It is an arithmetic number, because the mean of its divisors is an integer number (334724390).

Almost surely, 2^20703017088 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 20703017088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32133541440).

20703017088 is an abundant number, since it is smaller than the sum of its proper divisors (43564065792).

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

20703017088 is a wasteful number, since it uses less digits than its factorization.

20703017088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 20703017088 in words is "twenty billion, seven hundred three million, seventeen thousand, eighty-eight".