10202545420 has 12 divisors (see below), whose sum is σ = 21425345424. Its totient is φ = 4081018160.

The previous prime is 10202545363. The next prime is 10202545447. The reversal of 10202545420 is 2454520201.

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, 255063616 + ... + 255063655.

It is an arithmetic number, because the mean of its divisors is an integer number (1785445452).

Almost surely, 2^10202545420 is an apocalyptic number.

10202545420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202545420 is an abundant number, since it is smaller than the sum of its proper divisors (11222800004).

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

10202545420 is a wasteful number, since it uses less digits than its factorization.

10202545420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510127280 (or 510127278 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 10202545420 in words is "ten billion, two hundred two million, five hundred forty-five thousand, four hundred twenty".