20134051402 has 4 divisors (see below), whose sum is σ = 30201077106. Its totient is φ = 10067025700.

The previous prime is 20134051391. The next prime is 20134051403. The reversal of 20134051402 is 20415043102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10788769161 + 9345282241 = 103869^2 + 96671^2 .

It is not an unprimeable number, because it can be changed into a prime (20134051403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033512849 + ... + 5033512852.

Almost surely, 2^20134051402 is an apocalyptic number.

20134051402 is a deficient number, since it is larger than the sum of its proper divisors (10067025704).

20134051402 is a wasteful number, since it uses less digits than its factorization.

20134051402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10067025703.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20134051402 its reverse (20415043102), we get a palindrome (40549094504).

The spelling of 20134051402 in words is "twenty billion, one hundred thirty-four million, fifty-one thousand, four hundred two".