20313432343402 has 32 divisors (see below), whose sum is σ = 35196133452480. Its totient is φ = 8690073550080.

The previous prime is 20313432343367. The next prime is 20313432343427. The reversal of 20313432343402 is 20434323431302.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20350749 + ... + 21325567.

It is an arithmetic number, because the mean of its divisors is an integer number (1099879170390).

Almost surely, 2^{20313432343402} is an apocalyptic number.

20313432343402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20313432343402 is a deficient number, since it is larger than the sum of its proper divisors (14882701109078).

20313432343402 is a wasteful number, since it uses less digits than its factorization.

20313432343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030566.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 20313432343402 its reverse (20434323431302), we get a palindrome (40747755774704).

The spelling of 20313432343402 in words is "twenty trillion, three hundred thirteen billion, four hundred thirty-two million, three hundred forty-three thousand, four hundred two".