20200454902 has 8 divisors (see below), whose sum is σ = 31039723512. Its totient is φ = 9853880400.

The previous prime is 20200454899. The next prime is 20200454947. The reversal of 20200454902 is 20945400202.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 123173424 + ... + 123173587.

It is an arithmetic number, because the mean of its divisors is an integer number (3879965439).

Almost surely, 2^20200454902 is an apocalyptic number.

20200454902 is a deficient number, since it is larger than the sum of its proper divisors (10839268610).

20200454902 is a wasteful number, since it uses less digits than its factorization.

20200454902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246347054.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 20200454902 in words is "twenty billion, two hundred million, four hundred fifty-four thousand, nine hundred two".