802020755 has 4 divisors (see below), whose sum is σ = 962424912. Its totient is φ = 641616600.

The previous prime is 802020743. The next prime is 802020797. The reversal of 802020755 is 557020208.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 802020755 - 2⁶ = 802020691 is a prime.

It is a Duffinian 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, 80202071 + ... + 80202080.

It is an arithmetic number, because the mean of its divisors is an integer number (240606228).

Almost surely, 2^802020755 is an apocalyptic number.

802020755 is a deficient number, since it is larger than the sum of its proper divisors (160404157).

802020755 is a wasteful number, since it uses less digits than its factorization.

802020755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160404156.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 802020755 is about 28319.9709569060. The cubic root of 802020755 is about 929.0987356836.

The spelling of 802020755 in words is "eight hundred two million, twenty thousand, seven hundred fifty-five".