402420202153 has 2 divisors, whose sum is σ = 402420202154. Its totient is φ = 402420202152.

The previous prime is 402420202127. The next prime is 402420202181. The reversal of 402420202153 is 351202024204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289559143449 + 112861058704 = 538107^2 + 335948^2 .

It is a cyclic number.

It is not a de Polignac number, because 402420202153 - 2¹³ = 402420193961 is a prime.

It is a super-2 number, since 2×402420202153² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402420202253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201210101076 + 201210101077.

It is an arithmetic number, because the mean of its divisors is an integer number (201210101077).

Almost surely, 2^402420202153 is an apocalyptic number.

It is an amenable number.

402420202153 is a deficient number, since it is larger than the sum of its proper divisors (1).

402420202153 is an equidigital number, since it uses as much as digits as its factorization.

402420202153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 402420202153 its reverse (351202024204), we get a palindrome (753622226357).

The spelling of 402420202153 in words is "four hundred two billion, four hundred twenty million, two hundred two thousand, one hundred fifty-three".