20270436182004 has 24 divisors (see below), whose sum is σ = 48003620015008. Its totient is φ = 6655964119200.

The previous prime is 20270436181987. The next prime is 20270436182021. The reversal of 20270436182004 is 40028163407202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20270436181987) and next prime (20270436182021).

It is a super-2 number, since 2×20270436182004² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12605991847 + ... + 12605993454.

Almost surely, 2^{20270436182004} is an apocalyptic number.

It is an amenable number.

20270436182004 is an abundant number, since it is smaller than the sum of its proper divisors (27733183833004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20270436182004 is a wasteful number, since it uses less digits than its factorization.

20270436182004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25211985375 (or 25211985373 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

Adding to 20270436182004 its reverse (40028163407202), we get a palindrome (60298599589206).

The spelling of 20270436182004 in words is "twenty trillion, two hundred seventy billion, four hundred thirty-six million, one hundred eighty-two thousand, four".