20484062620 has 144 divisors (see below), whose sum is σ = 52718783040. Its totient is φ = 6526033920.

The previous prime is 20484062597. The next prime is 20484062629. The reversal of 20484062620 is 2626048402.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484062629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72896880 + ... + 72897160.

It is an arithmetic number, because the mean of its divisors is an integer number (366102660).

Almost surely, 2^20484062620 is an apocalyptic number.

20484062620 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 20484062620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26359391520).

20484062620 is an abundant number, since it is smaller than the sum of its proper divisors (32234720420).

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

20484062620 is a wasteful number, since it uses less digits than its factorization.

20484062620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 20484062620 in words is "twenty billion, four hundred eighty-four million, sixty-two thousand, six hundred twenty".