802420428 has 48 divisors (see below), whose sum is σ = 1907942400. Its totient is φ = 262428864.

The previous prime is 802420427. The next prime is 802420429. The reversal of 802420428 is 824024208.

It is an interprime number because it is at equal distance from previous prime (802420427) and next prime (802420429).

It is a junction number, because it is equal to n+sod(n) for n = 802420395 and 802420404.

It is not an unprimeable number, because it can be changed into a prime (802420427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145701 + ... + 151107.

It is an arithmetic number, because the mean of its divisors is an integer number (39748800).

Almost surely, 2^802420428 is an apocalyptic number.

It is an amenable number.

802420428 is an abundant number, since it is smaller than the sum of its proper divisors (1105521972).

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

802420428 is a wasteful number, since it uses less digits than its factorization.

802420428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 802420428 is about 28327.0264588432. The cubic root of 802420428 is about 929.2530434164.

The spelling of 802420428 in words is "eight hundred two million, four hundred twenty thousand, four hundred twenty-eight".