20261210968 has 16 divisors (see below), whose sum is σ = 39641500080. Its totient is φ = 9690144288.

The previous prime is 20261210953. The next prime is 20261210993. The reversal of 20261210968 is 86901216202.

It is a congruent number.

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, 55057455 + ... + 55057822.

It is an arithmetic number, because the mean of its divisors is an integer number (2477593755).

Almost surely, 2^20261210968 is an apocalyptic number.

It is an amenable number.

20261210968 is a deficient number, since it is larger than the sum of its proper divisors (19380289112).

20261210968 is a wasteful number, since it uses less digits than its factorization.

20261210968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110115306 (or 110115302 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 20261210968 in words is "twenty billion, two hundred sixty-one million, two hundred ten thousand, nine hundred sixty-eight".