20248258040 has 32 divisors (see below), whose sum is σ = 45813114000. Its totient is φ = 8054052864.

The previous prime is 20248258033. The next prime is 20248258061. The reversal of 20248258040 is 4085284202.

It is a super-3 number, since 3×20248258040³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406825 + ... + 1421144.

Almost surely, 2^20248258040 is an apocalyptic number.

20248258040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20248258040 is an abundant number, since it is smaller than the sum of its proper divisors (25564855960).

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

20248258040 is a wasteful number, since it uses less digits than its factorization.

20248258040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828159 (or 2828155 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The spelling of 20248258040 in words is "twenty billion, two hundred forty-eight million, two hundred fifty-eight thousand, forty".