20344551242612 has 24 divisors (see below), whose sum is σ = 36520652939904. Its totient is φ = 9911985859712.

The previous prime is 20344551242597. The next prime is 20344551242621. The reversal of 20344551242612 is 21624215544302.

It is a self number, because there is not a number n which added to its sum of digits gives 20344551242612.

It is a congruent number.

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, 238317893 + ... + 238403244.

It is an arithmetic number, because the mean of its divisors is an integer number (1521693872496).

Almost surely, 2^{20344551242612} is an apocalyptic number.

It is an amenable number.

20344551242612 is a deficient number, since it is larger than the sum of its proper divisors (16176101697292).

20344551242612 is a wasteful number, since it uses less digits than its factorization.

20344551242612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476721415 (or 476721413 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 20344551242612 its reverse (21624215544302), we get a palindrome (41968766786914).

The spelling of 20344551242612 in words is "twenty trillion, three hundred forty-four billion, five hundred fifty-one million, two hundred forty-two thousand, six hundred twelve".