20152344662 has 8 divisors (see below), whose sum is σ = 30252192336. Its totient is φ = 10068280552.

The previous prime is 20152344643. The next prime is 20152344679. The reversal of 20152344662 is 26644325102.

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

It is a super-2 number, since 2×20152344662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3942698 + ... + 3947805.

It is an arithmetic number, because the mean of its divisors is an integer number (3781524042).

Almost surely, 2^20152344662 is an apocalyptic number.

20152344662 is a deficient number, since it is larger than the sum of its proper divisors (10099847674).

20152344662 is a wasteful number, since it uses less digits than its factorization.

20152344662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891782.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 20152344662 its reverse (26644325102), we get a palindrome (46796669764).

The spelling of 20152344662 in words is "twenty billion, one hundred fifty-two million, three hundred forty-four thousand, six hundred sixty-two".