20148068956 has 24 divisors (see below), whose sum is σ = 36147118896. Its totient is φ = 9820702080.

The previous prime is 20148068929. The next prime is 20148068957. The reversal of 20148068956 is 65986084102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20148068957) 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, 167350 + ... + 261346.

It is an arithmetic number, because the mean of its divisors is an integer number (1506129954).

Almost surely, 2^20148068956 is an apocalyptic number.

It is an amenable number.

20148068956 is a deficient number, since it is larger than the sum of its proper divisors (15999049940).

20148068956 is a wasteful number, since it uses less digits than its factorization.

20148068956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95349 (or 95347 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 20148068956 in words is "twenty billion, one hundred forty-eight million, sixty-eight thousand, nine hundred fifty-six".