20602261892 has 12 divisors (see below), whose sum is σ = 36056450640. Its totient is φ = 10300418856.

The previous prime is 20602261871. The next prime is 20602261931. The reversal of 20602261892 is 29816220602.

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, 110042 + ... + 230897.

It is an arithmetic number, because the mean of its divisors is an integer number (3004704220).

Almost surely, 2^20602261892 is an apocalyptic number.

It is an amenable number.

20602261892 is a deficient number, since it is larger than the sum of its proper divisors (15454188748).

20602261892 is a wasteful number, since it uses less digits than its factorization.

20602261892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356050 (or 356048 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 20602261892 in words is "twenty billion, six hundred two million, two hundred sixty-one thousand, eight hundred ninety-two".