20552401757031 has 24 divisors (see below), whose sum is σ = 27950536669776. Its totient is φ = 13433195543040.

The previous prime is 20552401757023. The next prime is 20552401757039. The reversal of 20552401757031 is 13075710425502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20552401757023) and next prime (20552401757039).

It is not a de Polignac number, because 20552401757031 - 2³ = 20552401757023 is a prime.

It is a super-2 number, since 2×20552401757031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552401757039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10573161 + ... + 12365133.

It is an arithmetic number, because the mean of its divisors is an integer number (1164605694574).

Almost surely, 2^{20552401757031} is an apocalyptic number.

20552401757031 is a deficient number, since it is larger than the sum of its proper divisors (7398134912745).

20552401757031 is a wasteful number, since it uses less digits than its factorization.

20552401757031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793443 (or 1793390 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 20552401757031 in words is "twenty trillion, five hundred fifty-two billion, four hundred one million, seven hundred fifty-seven thousand, thirty-one".