20454260000 has 180 divisors, whose sum is σ = 53127136062. Its totient is φ = 7748352000.

The previous prime is 20454259979. The next prime is 20454260003. The reversal of 20454260000 is 6245402.

It can be written as a sum of positive squares in 5 ways, for example, as 61277584 + 20392982416 = 7828^2 + 142804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20454260003) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7218584 + ... + 7221416.

Almost surely, 2^20454260000 is an apocalyptic number.

20454260000 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 20454260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26563568031).

20454260000 is an abundant number, since it is smaller than the sum of its proper divisors (32672876062).

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

20454260000 is an equidigital number, since it uses as much as digits as its factorization.

20454260000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The spelling of 20454260000 in words is "twenty billion, four hundred fifty-four million, two hundred sixty thousand".