20430040043004 has 48 divisors (see below), whose sum is σ = 47688483242400. Its totient is φ = 6807386750976.

The previous prime is 20430040043003. The next prime is 20430040043099. The reversal of 20430040043004 is 40034004003402.

It is a happy number.

It is a super-3 number, since 3×20430040043004³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430040043003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384799692 + ... + 384852780.

It is an arithmetic number, because the mean of its divisors is an integer number (993510067550).

Almost surely, 2^{20430040043004} is an apocalyptic number.

It is an amenable number.

20430040043004 is an abundant number, since it is smaller than the sum of its proper divisors (27258443199396).

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

20430040043004 is a wasteful number, since it uses less digits than its factorization.

20430040043004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64862 (or 64860 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20430040043004 its reverse (40034004003402), we get a palindrome (60464044046406).

The spelling of 20430040043004 in words is "twenty trillion, four hundred thirty billion, forty million, forty-three thousand, four".