20552412031 has 8 divisors (see below), whose sum is σ = 20687130864. Its totient is φ = 20417741760.

The previous prime is 20552411993. The next prime is 20552412047. The reversal of 20552412031 is 13021425502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20552412031 - 2⁷ = 20552411903 is a prime.

It is a super-2 number, since 2×20552412031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20552411987 and 20552412005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552412091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286211 + ... + 1302091.

It is an arithmetic number, because the mean of its divisors is an integer number (2585891358).

Almost surely, 2^20552412031 is an apocalyptic number.

20552412031 is a deficient number, since it is larger than the sum of its proper divisors (134718833).

20552412031 is a wasteful number, since it uses less digits than its factorization.

20552412031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24281.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20552412031 its reverse (13021425502), we get a palindrome (33573837533).

The spelling of 20552412031 in words is "twenty billion, five hundred fifty-two million, four hundred twelve thousand, thirty-one".