20222001015 has 16 divisors (see below), whose sum is σ = 32361302400. Its totient is φ = 10783033632.

The previous prime is 20222001001. The next prime is 20222001029. The reversal of 20222001015 is 51010022202.

It is an interprime number because it is at equal distance from previous prime (20222001001) and next prime (20222001029).

It is not a de Polignac number, because 20222001015 - 2¹² = 20221996919 is a prime.

It is a super-2 number, since 2×20222001015² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20222000985 and 20222001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43105 + ... + 205674.

It is an arithmetic number, because the mean of its divisors is an integer number (2022581400).

Almost surely, 2^20222001015 is an apocalyptic number.

20222001015 is a deficient number, since it is larger than the sum of its proper divisors (12139301385).

20222001015 is a wasteful number, since it uses less digits than its factorization.

20222001015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254206.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 20222001015 its reverse (51010022202), we get a palindrome (71232023217).

The spelling of 20222001015 in words is "twenty billion, two hundred twenty-two million, one thousand, fifteen".