20040330134 has 32 divisors (see below), whose sum is σ = 33072035616. Its totient is φ = 9031966720.

The previous prime is 20040330131. The next prime is 20040330139. The reversal of 20040330134 is 43103304002.

It is a super-2 number, since 2×20040330134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20040330131) 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, 2868854 + ... + 2875830.

It is an arithmetic number, because the mean of its divisors is an integer number (1033501113).

Almost surely, 2^20040330134 is an apocalyptic number.

20040330134 is a deficient number, since it is larger than the sum of its proper divisors (13031705482).

20040330134 is a wasteful number, since it uses less digits than its factorization.

20040330134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080.

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

Adding to 20040330134 its reverse (43103304002), we get a palindrome (63143634136).

The spelling of 20040330134 in words is "twenty billion, forty million, three hundred thirty thousand, one hundred thirty-four".