20124322102 has 16 divisors (see below), whose sum is σ = 30835284480. Its totient is φ = 9845984808.

The previous prime is 20124322087. The next prime is 20124322109. The reversal of 20124322102 is 20122342102.

It is a self number, because there is not a number n which added to its sum of digits gives 20124322102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124322109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482599 + ... + 522637.

It is an arithmetic number, because the mean of its divisors is an integer number (1927205280).

Almost surely, 2^20124322102 is an apocalyptic number.

20124322102 is a deficient number, since it is larger than the sum of its proper divisors (10710962378).

20124322102 is a wasteful number, since it uses less digits than its factorization.

20124322102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45435.

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

Adding to 20124322102 its reverse (20122342102), we get a palindrome (40246664204).

The spelling of 20124322102 in words is "twenty billion, one hundred twenty-four million, three hundred twenty-two thousand, one hundred two".