20654305348 has 48 divisors (see below), whose sum is σ = 38481528960. Its totient is φ = 9678898944.

The previous prime is 20654305291. The next prime is 20654305349. The reversal of 20654305348 is 84350345602.

It is a super-2 number, since 2×20654305348² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20654305348.

It is not an unprimeable number, because it can be changed into a prime (20654305349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692886 + ... + 1705042.

It is an arithmetic number, because the mean of its divisors is an integer number (801698520).

Almost surely, 2^20654305348 is an apocalyptic number.

It is an amenable number.

20654305348 is a deficient number, since it is larger than the sum of its proper divisors (17827223612).

20654305348 is a wasteful number, since it uses less digits than its factorization.

20654305348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12556 (or 12554 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 20654305348 in words is "twenty billion, six hundred fifty-four million, three hundred five thousand, three hundred forty-eight".