20612343424 has 32 divisors (see below), whose sum is σ = 42388295040. Its totient is φ = 9973712640.

The previous prime is 20612343373. The next prime is 20612343443. The reversal of 20612343424 is 42434321602.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593354 + ... + 2601289.

It is an arithmetic number, because the mean of its divisors is an integer number (1324634220).

Almost surely, 2^20612343424 is an apocalyptic number.

It is an amenable number.

20612343424 is an abundant number, since it is smaller than the sum of its proper divisors (21775951616).

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

20612343424 is an equidigital number, since it uses as much as digits as its factorization.

20612343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194688 (or 5194676 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 20612343424 in words is "twenty billion, six hundred twelve million, three hundred forty-three thousand, four hundred twenty-four".