20004331430 has 32 divisors (see below), whose sum is σ = 37202989824. Its totient is φ = 7739748576.

The previous prime is 20004331429. The next prime is 20004331471. The reversal of 20004331430 is 3413340002.

It is a super-2 number, since 2×20004331430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 181544 + ... + 270123.

It is an arithmetic number, because the mean of its divisors is an integer number (1162593432).

Almost surely, 2^20004331430 is an apocalyptic number.

20004331430 is a deficient number, since it is larger than the sum of its proper divisors (17198658394).

20004331430 is a wasteful number, since it uses less digits than its factorization.

20004331430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451820.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20004331430 its reverse (3413340002), we get a palindrome (23417671432).

The spelling of 20004331430 in words is "twenty billion, four million, three hundred thirty-one thousand, four hundred thirty".