20705022360 has 320 divisors, whose sum is σ = 76126327200. Its totient is φ = 5005670400.

The previous prime is 20705022353. The next prime is 20705022367. The reversal of 20705022360 is 6322050702.

It is an interprime number because it is at equal distance from previous prime (20705022353) and next prime (20705022367).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20705022367) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20278650 + ... + 20279670.

Almost surely, 2^20705022360 is an apocalyptic number.

20705022360 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 20705022360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38063163600).

20705022360 is an abundant number, since it is smaller than the sum of its proper divisors (55421304840).

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

20705022360 is a wasteful number, since it uses less digits than its factorization.

20705022360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 20705022360 in words is "twenty billion, seven hundred five million, twenty-two thousand, three hundred sixty".