420220149397 has 8 divisors (see below), whose sum is σ = 420553832832. Its totient is φ = 419886537600.

The previous prime is 420220149361. The next prime is 420220149403. The reversal of 420220149397 is 793941022024.

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

It is a cyclic number.

It is not a de Polignac number, because 420220149397 - 2²³ = 420211760789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420220149337) 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, 20348197 + ... + 20368837.

It is an arithmetic number, because the mean of its divisors is an integer number (52569229104).

Almost surely, 2^420220149397 is an apocalyptic number.

It is an amenable number.

420220149397 is a deficient number, since it is larger than the sum of its proper divisors (333683435).

420220149397 is a wasteful number, since it uses less digits than its factorization.

420220149397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35819.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 420220149397 in words is "four hundred twenty billion, two hundred twenty million, one hundred forty-nine thousand, three hundred ninety-seven".