20004414534 has 64 divisors (see below), whose sum is σ = 47897364480. Its totient is φ = 6152176800.

The previous prime is 20004414533. The next prime is 20004414557. The reversal of 20004414534 is 43541440002.

It is a happy number.

20004414534 is a `hidden beast` number, since 200 + 0 + 4 + 4 + 1 + 453 + 4 = 666.

It is a super-2 number, since 2×20004414534² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20004414498 and 20004414507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004414533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1726059 + ... + 1737609.

It is an arithmetic number, because the mean of its divisors is an integer number (748396320).

Almost surely, 2^20004414534 is an apocalyptic number.

20004414534 is an abundant number, since it is smaller than the sum of its proper divisors (27892949946).

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

20004414534 is a wasteful number, since it uses less digits than its factorization.

20004414534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14042 (or 14036 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20004414534 its reverse (43541440002), we get a palindrome (63545854536).

The spelling of 20004414534 in words is "twenty billion, four million, four hundred fourteen thousand, five hundred thirty-four".