20345110102 has 8 divisors (see below), whose sum is σ = 30524015016. Its totient is φ = 10170438432.

The previous prime is 20345110067. The next prime is 20345110129. The reversal of 20345110102 is 20101154302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20345110102.

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, 1046268 + ... + 1065535.

It is an arithmetic number, because the mean of its divisors is an integer number (3815501877).

Almost surely, 2^20345110102 is an apocalyptic number.

20345110102 is a deficient number, since it is larger than the sum of its proper divisors (10178904914).

20345110102 is a wasteful number, since it uses less digits than its factorization.

20345110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116622.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20345110102 its reverse (20101154302), we get a palindrome (40446264404).

The spelling of 20345110102 in words is "twenty billion, three hundred forty-five million, one hundred ten thousand, one hundred two".