20210340122 has 16 divisors (see below), whose sum is σ = 34706356800. Its totient is φ = 8646559488.

The previous prime is 20210340121. The next prime is 20210340127. The reversal of 20210340122 is 22104301202.

It is a self number, because there is not a number n which added to its sum of digits gives 20210340122.

It is not an unprimeable number, because it can be changed into a prime (20210340121) 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, 1242872 + ... + 1259027.

It is an arithmetic number, because the mean of its divisors is an integer number (2169147300).

Almost surely, 2^20210340122 is an apocalyptic number.

20210340122 is a deficient number, since it is larger than the sum of its proper divisors (14496016678).

20210340122 is a wasteful number, since it uses less digits than its factorization.

20210340122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502485.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20210340122 its reverse (22104301202), we get a palindrome (42314641324).

The spelling of 20210340122 in words is "twenty billion, two hundred ten million, three hundred forty thousand, one hundred twenty-two".