20310124402 has 8 divisors (see below), whose sum is σ = 30832237296. Its totient is φ = 10032711972.

The previous prime is 20310124391. The next prime is 20310124403. The reversal of 20310124402 is 20442101302.

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 20310124402.

It is not an unprimeable number, because it can be changed into a prime (20310124403) 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, 61174908 + ... + 61175239.

It is an arithmetic number, because the mean of its divisors is an integer number (3854029662).

Almost surely, 2^20310124402 is an apocalyptic number.

20310124402 is a deficient number, since it is larger than the sum of its proper divisors (10522112894).

20310124402 is a wasteful number, since it uses less digits than its factorization.

20310124402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122350232.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20310124402 its reverse (20442101302), we get a palindrome (40752225704).

The spelling of 20310124402 in words is "twenty billion, three hundred ten million, one hundred twenty-four thousand, four hundred two".