20256365006 has 16 divisors (see below), whose sum is σ = 33374332800. Its totient is φ = 9177940728.

The previous prime is 20256364993. The next prime is 20256365009. The reversal of 20256365006 is 60056365202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20256365009) 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, 11587436 + ... + 11589183.

It is an arithmetic number, because the mean of its divisors is an integer number (2085895800).

Almost surely, 2^20256365006 is an apocalyptic number.

20256365006 is a deficient number, since it is larger than the sum of its proper divisors (13117967794).

20256365006 is a wasteful number, since it uses less digits than its factorization.

20256365006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23176663.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 20256365006 in words is "twenty billion, two hundred fifty-six million, three hundred sixty-five thousand, six".