220352451 has 8 divisors (see below), whose sum is σ = 320512704. Its totient is φ = 133546920.

The previous prime is 220352441. The next prime is 220352479. The reversal of 220352451 is 154253022.

220352451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220352451 - 2⁶ = 220352387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220352441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3338641 + ... + 3338706.

It is an arithmetic number, because the mean of its divisors is an integer number (40064088).

Almost surely, 2^220352451 is an apocalyptic number.

220352451 is a deficient number, since it is larger than the sum of its proper divisors (100160253).

220352451 is a wasteful number, since it uses less digits than its factorization.

220352451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677361.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 220352451 is about 14844.2733402481. The cubic root of 220352451 is about 604.0032774335.

The spelling of 220352451 in words is "two hundred twenty million, three hundred fifty-two thousand, four hundred fifty-one".