20362260478869 has 48 divisors (see below), whose sum is σ = 30036141138432. Its totient is φ = 13289781383424.

The previous prime is 20362260478831. The next prime is 20362260478891. The reversal of 20362260478869 is 96887406226302.

20362260478869 is a `hidden beast` number, since 2 + 0 + 3 + 6 + 22 + 60 + 478 + 86 + 9 = 666.

It is not a de Polignac number, because 20362260478869 - 2³⁵ = 20327900740501 is a prime.

It is a super-2 number, since 2×20362260478869² (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 (20362060478869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99643012 + ... + 99847154.

It is an arithmetic number, because the mean of its divisors is an integer number (625752940384).

Almost surely, 2^{20362260478869} is an apocalyptic number.

It is an amenable number.

20362260478869 is a deficient number, since it is larger than the sum of its proper divisors (9673880659563).

20362260478869 is a wasteful number, since it uses less digits than its factorization.

20362260478869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205346 (or 205343 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 20362260478869 in words is "twenty trillion, three hundred sixty-two billion, two hundred sixty million, four hundred seventy-eight thousand, eight hundred sixty-nine".