20544134002 has 32 divisors (see below), whose sum is σ = 35874203904. Its totient is φ = 8641339200.

The previous prime is 20544133997. The next prime is 20544134003. The reversal of 20544134002 is 20043144502.

It is a happy number.

It is a super-2 number, since 2×20544134002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20544134003) 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, 367603 + ... + 419785.

It is an arithmetic number, because the mean of its divisors is an integer number (1121068872).

Almost surely, 2^20544134002 is an apocalyptic number.

20544134002 is a deficient number, since it is larger than the sum of its proper divisors (15330069902).

20544134002 is a wasteful number, since it uses less digits than its factorization.

20544134002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52714.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20544134002 its reverse (20043144502), we get a palindrome (40587278504).

The spelling of 20544134002 in words is "twenty billion, five hundred forty-four million, one hundred thirty-four thousand, two".