20488488883031 has 4 divisors (see below), whose sum is σ = 22064526489432. Its totient is φ = 18912451276632.

The previous prime is 20488488883003. The next prime is 20488488883039. The reversal of 20488488883031 is 13038888488402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20488488883031 - 2³⁸ = 20213610976087 is a prime.

It is a super-2 number, since 2×20488488883031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20488488883039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788018803181 + ... + 788018803206.

It is an arithmetic number, because the mean of its divisors is an integer number (5516131622358).

Almost surely, 2^{20488488883031} is an apocalyptic number.

20488488883031 is a deficient number, since it is larger than the sum of its proper divisors (1576037606401).

20488488883031 is a wasteful number, since it uses less digits than its factorization.

20488488883031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576037606400.

The product of its (nonzero) digits is 75497472, while the sum is 65.

The spelling of 20488488883031 in words is "twenty trillion, four hundred eighty-eight billion, four hundred eighty-eight million, eight hundred eighty-three thousand, thirty-one".