20255466502 has 16 divisors (see below), whose sum is σ = 30498047424. Its totient is φ = 10089520000.

The previous prime is 20255466467. The next prime is 20255466541. The reversal of 20255466502 is 20566455202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587502 + ... + 621022.

It is an arithmetic number, because the mean of its divisors is an integer number (1906127964).

Almost surely, 2^20255466502 is an apocalyptic number.

20255466502 is a deficient number, since it is larger than the sum of its proper divisors (10242580922).

20255466502 is a wasteful number, since it uses less digits than its factorization.

20255466502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34655.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 20255466502 in words is "twenty billion, two hundred fifty-five million, four hundred sixty-six thousand, five hundred two".