420952299 has 4 divisors (see below), whose sum is σ = 561269736. Its totient is φ = 280634864.

The previous prime is 420952291. The next prime is 420952307. The reversal of 420952299 is 992259024.

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

It is an interprime number because it is at equal distance from previous prime (420952291) and next prime (420952307).

It is a cyclic number.

It is not a de Polignac number, because 420952299 - 2³ = 420952291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420952299.

It is not an unprimeable number, because it can be changed into a prime (420952291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70158714 + ... + 70158719.

It is an arithmetic number, because the mean of its divisors is an integer number (140317434).

Almost surely, 2^420952299 is an apocalyptic number.

420952299 is a deficient number, since it is larger than the sum of its proper divisors (140317437).

420952299 is a wasteful number, since it uses less digits than its factorization.

420952299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140317436.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 420952299 is about 20517.1220935101. The cubic root of 420952299 is about 749.4528151042.

The spelling of 420952299 in words is "four hundred twenty million, nine hundred fifty-two thousand, two hundred ninety-nine".