20622616031 has 8 divisors (see below), whose sum is σ = 20777298000. Its totient is φ = 20468151360.

The previous prime is 20622616009. The next prime is 20622616057. The reversal of 20622616031 is 13061622602.

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 20622616031 - 2⁶ = 20622615967 is a prime.

It is a super-2 number, since 2×20622616031² (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 = 20622615985 and 20622616003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622616081) 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, 138755 + ... + 245963.

It is an arithmetic number, because the mean of its divisors is an integer number (2597162250).

Almost surely, 2^20622616031 is an apocalyptic number.

20622616031 is a deficient number, since it is larger than the sum of its proper divisors (154681969).

20622616031 is a wasteful number, since it uses less digits than its factorization.

20622616031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108649.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20622616031 in words is "twenty billion, six hundred twenty-two million, six hundred sixteen thousand, thirty-one".