20396268000 has 144 divisors (see below), whose sum is σ = 72386482896. Its totient is φ = 5438995200.

The previous prime is 20396267981. The next prime is 20396268017. The reversal of 20396268000 is 86269302.

20396268000 is a `hidden beast` number, since 2 + 0 + 396 + 268 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247282 + ... + 319281.

It is an arithmetic number, because the mean of its divisors is an integer number (502683909).

Almost surely, 2^20396268000 is an apocalyptic number.

20396268000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20396268000 is an abundant number, since it is smaller than the sum of its proper divisors (51990214896).

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

20396268000 is a wasteful number, since it uses less digits than its factorization.

20396268000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566594 (or 566573 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 20396268000 in words is "twenty billion, three hundred ninety-six million, two hundred sixty-eight thousand".