20213520122 has 16 divisors (see below), whose sum is σ = 30600288000. Its totient is φ = 10013850000.

The previous prime is 20213520073. The next prime is 20213520233. The reversal of 20213520122 is 22102531202.

It is a junction number, because it is equal to n+sod(n) for n = 20213520094 and 20213520103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11129 + ... + 201372.

It is an arithmetic number, because the mean of its divisors is an integer number (1912518000).

Almost surely, 2^20213520122 is an apocalyptic number.

20213520122 is a deficient number, since it is larger than the sum of its proper divisors (10386767878).

20213520122 is a wasteful number, since it uses less digits than its factorization.

20213520122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212941.

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 20213520122 in words is "twenty billion, two hundred thirteen million, five hundred twenty thousand, one hundred twenty-two".