20260273040 has 360 divisors, whose sum is σ = 58813110720. Its totient is φ = 6470005248.

The previous prime is 20260273037. The next prime is 20260273049. The reversal of 20260273040 is 4037206202.

It is not an unprimeable number, because it can be changed into a prime (20260273049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 145757291 + ... + 145757429.

It is an arithmetic number, because the mean of its divisors is an integer number (163369752).

Almost surely, 2^20260273040 is an apocalyptic number.

20260273040 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 20260273040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29406555360).

20260273040 is an abundant number, since it is smaller than the sum of its proper divisors (38552837680).

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

20260273040 is a wasteful number, since it uses less digits than its factorization.

20260273040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 20260273040 its reverse (4037206202), we get a palindrome (24297479242).

The spelling of 20260273040 in words is "twenty billion, two hundred sixty million, two hundred seventy-three thousand, forty".