420077330 has 16 divisors (see below), whose sum is σ = 764636760. Its totient is φ = 166142592.

The previous prime is 420077309. The next prime is 420077351. The reversal of 420077330 is 33770024.

It is an interprime number because it is at equal distance from previous prime (420077309) and next prime (420077351).

It can be written as a sum of positive squares in 4 ways, for example, as 159997201 + 260080129 = 12649^2 + 16127^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 420077330.

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, 235109 + ... + 236888.

Almost surely, 2^420077330 is an apocalyptic number.

420077330 is a deficient number, since it is larger than the sum of its proper divisors (344559430).

420077330 is a wasteful number, since it uses less digits than its factorization.

420077330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472093.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 420077330 is about 20495.7881039008. The cubic root of 420077330 is about 748.9331973697.

The spelling of 420077330 in words is "four hundred twenty million, seventy-seven thousand, three hundred thirty".