20357547226040 has 32 divisors (see below), whose sum is σ = 45812402318880. Its totient is φ = 8141610701952.

The previous prime is 20357547225979. The next prime is 20357547226043. The reversal of 20357547226040 is 4062274575302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20357547226043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43771679 + ... + 44234318.

It is an arithmetic number, because the mean of its divisors is an integer number (1431637572465).

Almost surely, 2^{20357547226040} is an apocalyptic number.

20357547226040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20357547226040 is an abundant number, since it is smaller than the sum of its proper divisors (25454855092840).

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

20357547226040 is a wasteful number, since it uses less digits than its factorization.

20357547226040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88011791 (or 88011787 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 20357547226040 in words is "twenty trillion, three hundred fifty-seven billion, five hundred forty-seven million, two hundred twenty-six thousand, forty".