20842430760 has 224 divisors, whose sum is σ = 74013588000. Its totient is φ = 5265316224.

The previous prime is 20842430753. The next prime is 20842430803. The reversal of 20842430760 is 6703424802.

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 55 ways as a sum of consecutive naturals, for example, 535231 + ... + 572849.

Almost surely, 2^20842430760 is an apocalyptic number.

20842430760 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 20842430760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37006794000).

20842430760 is an abundant number, since it is smaller than the sum of its proper divisors (53171157240).

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

20842430760 is a wasteful number, since it uses less digits than its factorization.

20842430760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37667 (or 37648 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 20842430760 in words is "twenty billion, eight hundred forty-two million, four hundred thirty thousand, seven hundred sixty".