242211431220 has 48 divisors (see below), whose sum is σ = 739845828288. Its totient is φ = 58717922560.

The previous prime is 242211431207. The next prime is 242211431257. The reversal of 242211431220 is 22134112242.

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, 183492849 + ... + 183494168.

It is an arithmetic number, because the mean of its divisors is an integer number (15413454756).

Almost surely, 2^242211431220 is an apocalyptic number.

242211431220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242211431220 is an abundant number, since it is smaller than the sum of its proper divisors (497634397068).

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

242211431220 is a wasteful number, since it uses less digits than its factorization.

242211431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366987040 (or 366987038 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 242211431220 its reverse (22134112242), we get a palindrome (264345543462).

The spelling of 242211431220 in words is "two hundred forty-two billion, two hundred eleven million, four hundred thirty-one thousand, two hundred twenty".