20310626144 has 12 divisors (see below), whose sum is σ = 39986545284. Its totient is φ = 10155313056.

The previous prime is 20310626131. The next prime is 20310626153. The reversal of 20310626144 is 44162601302.

It is a super-2 number, since 2×20310626144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317353502 + ... + 317353565.

It is an arithmetic number, because the mean of its divisors is an integer number (3332212107).

Almost surely, 2^20310626144 is an apocalyptic number.

It is an amenable number.

20310626144 is a deficient number, since it is larger than the sum of its proper divisors (19675919140).

20310626144 is an equidigital number, since it uses as much as digits as its factorization.

20310626144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634707077 (or 634707069 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20310626144 in words is "twenty billion, three hundred ten million, six hundred twenty-six thousand, one hundred forty-four".