20271014040 has 128 divisors (see below), whose sum is σ = 61896337920. Its totient is φ = 5309875200.

The previous prime is 20271014021. The next prime is 20271014041. The reversal of 20271014040 is 4041017202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20271013998 and 20271014016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20271014041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2389887 + ... + 2398353.

It is an arithmetic number, because the mean of its divisors is an integer number (483565140).

Almost surely, 2^20271014040 is an apocalyptic number.

20271014040 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 20271014040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30948168960).

20271014040 is an abundant number, since it is smaller than the sum of its proper divisors (41625323880).

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

20271014040 is a wasteful number, since it uses less digits than its factorization.

20271014040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833 (or 8829 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The spelling of 20271014040 in words is "twenty billion, two hundred seventy-one million, fourteen thousand, forty".