20122211230 has 32 divisors (see below), whose sum is σ = 39700015488. Its totient is φ = 7282480800.

The previous prime is 20122211203. The next prime is 20122211233. The reversal of 20122211230 is 3211222102.

It is a happy number.

It is a super-2 number, since 2×20122211230² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122211233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410272 + ... + 456691.

It is an arithmetic number, because the mean of its divisors is an integer number (1240625484).

Almost surely, 2^20122211230 is an apocalyptic number.

20122211230 is a deficient number, since it is larger than the sum of its proper divisors (19577804258).

20122211230 is a wasteful number, since it uses less digits than its factorization.

20122211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867192.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20122211230 its reverse (3211222102), we get a palindrome (23333433332).

The spelling of 20122211230 in words is "twenty billion, one hundred twenty-two million, two hundred eleven thousand, two hundred thirty".