2720436510020 has 96 divisors (see below), whose sum is σ = 6104508955776. Its totient is φ = 1014799104000.

The previous prime is 2720436510013. The next prime is 2720436510073. The reversal of 2720436510020 is 200156340272.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18269870 + ... + 18418170.

It is an arithmetic number, because the mean of its divisors is an integer number (63588634956).

Almost surely, 2^{2720436510020} is an apocalyptic number.

2720436510020 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 2720436510020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3052254477888).

2720436510020 is an abundant number, since it is smaller than the sum of its proper divisors (3384072445756).

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

2720436510020 is a wasteful number, since it uses less digits than its factorization.

2720436510020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148821 (or 148819 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 2720436510020 in words is "two trillion, seven hundred twenty billion, four hundred thirty-six million, five hundred ten thousand, twenty".