20412211242 has 16 divisors (see below), whose sum is σ = 40826050272. Its totient is φ = 6803799120.

The previous prime is 20412211231. The next prime is 20412211247. The reversal of 20412211242 is 24211221402.

It is a super-3 number, since 3×20412211242³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20412211247) 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, 148048 + ... + 250484.

It is an arithmetic number, because the mean of its divisors is an integer number (2551628142).

Almost surely, 2^20412211242 is an apocalyptic number.

20412211242 is an abundant number, since it is smaller than the sum of its proper divisors (20413839030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20412211242 is a wasteful number, since it uses less digits than its factorization.

20412211242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135653.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20412211242 its reverse (24211221402), we get a palindrome (44623432644).

The spelling of 20412211242 in words is "twenty billion, four hundred twelve million, two hundred eleven thousand, two hundred forty-two".