20231552527640 has 32 divisors (see below), whose sum is σ = 46292535450000. Its totient is φ = 7955457942144.

The previous prime is 20231552527633. The next prime is 20231552527663. The reversal of 20231552527640 is 4672525513202.

20231552527640 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×20231552527640⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20231552527591 and 20231552527600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4286343515 + ... + 4286348234.

Almost surely, 2^{20231552527640} is an apocalyptic number.

20231552527640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231552527640 is an abundant number, since it is smaller than the sum of its proper divisors (26060982922360).

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

20231552527640 is a wasteful number, since it uses less digits than its factorization.

20231552527640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572691819 (or 8572691815 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 20231552527640 in words is "twenty trillion, two hundred thirty-one billion, five hundred fifty-two million, five hundred twenty-seven thousand, six hundred forty".