420401022201 has 6 divisors (see below), whose sum is σ = 607245920970. Its totient is φ = 280267348128.

The previous prime is 420401022157. The next prime is 420401022263. The reversal of 420401022201 is 102220104024.

420401022201 is a `hidden beast` number, since 42 + 0 + 401 + 0 + 2 + 220 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 406559264400 + 13841757801 = 637620^2 + 117651^2 .

It is not a de Polignac number, because 420401022201 - 2⁷ = 420401022073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420401022401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23355612336 + ... + 23355612353.

It is an arithmetic number, because the mean of its divisors is an integer number (101207653495).

Almost surely, 2^420401022201 is an apocalyptic number.

It is an amenable number.

420401022201 is a deficient number, since it is larger than the sum of its proper divisors (186844898769).

420401022201 is a wasteful number, since it uses less digits than its factorization.

420401022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46711224695 (or 46711224692 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 420401022201 its reverse (102220104024), we get a palindrome (522621126225).

The spelling of 420401022201 in words is "four hundred twenty billion, four hundred one million, twenty-two thousand, two hundred one".