20631007348 has 24 divisors (see below), whose sum is σ = 43433700800. Its totient is φ = 8376499008.

The previous prime is 20631007343. The next prime is 20631007351. The reversal of 20631007348 is 84370013602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20631007343) 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, 19389513 + ... + 19390576.

Almost surely, 2^20631007348 is an apocalyptic number.

20631007348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20631007348 is an abundant number, since it is smaller than the sum of its proper divisors (22802693452).

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

20631007348 is a wasteful number, since it uses less digits than its factorization.

20631007348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38780119 (or 38780117 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 20631007348 in words is "twenty billion, six hundred thirty-one million, seven thousand, three hundred forty-eight".