20334013402 has 8 divisors (see below), whose sum is σ = 31001037012. Its totient is φ = 10000334400.

The previous prime is 20334013393. The next prime is 20334013409. The reversal of 20334013402 is 20431043302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20112628761 + 221384641 = 141819^2 + 14879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20334013402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20334013409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83335999 + ... + 83336242.

Almost surely, 2^20334013402 is an apocalyptic number.

20334013402 is a deficient number, since it is larger than the sum of its proper divisors (10667023610).

20334013402 is a wasteful number, since it uses less digits than its factorization.

20334013402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166672304.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20334013402 its reverse (20431043302), we get a palindrome (40765056704).

The spelling of 20334013402 in words is "twenty billion, three hundred thirty-four million, thirteen thousand, four hundred two".