20710225560 has 128 divisors (see below), whose sum is σ = 63633689280. Its totient is φ = 5390696448.

The previous prime is 20710225519. The next prime is 20710225567. The reversal of 20710225560 is 6552201702.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710225567) 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, 837534 + ... + 861906.

Almost surely, 2^20710225560 is an apocalyptic number.

20710225560 is a gapful number since it is divisible by the number (20) 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 20710225560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31816844640).

20710225560 is an abundant number, since it is smaller than the sum of its proper divisors (42923463720).

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

20710225560 is a wasteful number, since it uses less digits than its factorization.

20710225560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24557 (or 24553 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 20710225560 in words is "twenty billion, seven hundred ten million, two hundred twenty-five thousand, five hundred sixty".