402620120075 has 24 divisors (see below), whose sum is σ = 528771201120. Its totient is φ = 303060569600.

The previous prime is 402620120069. The next prime is 402620120081. The reversal of 402620120075 is 570021026204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402620120069) and next prime (402620120081).

It is not a de Polignac number, because 402620120075 - 2¹⁰ = 402620119051 is a prime.

It is a super-2 number, since 2×402620120075² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1334066 + ... + 1607784.

It is an arithmetic number, because the mean of its divisors is an integer number (22032133380).

Almost surely, 2^402620120075 is an apocalyptic number.

402620120075 is a deficient number, since it is larger than the sum of its proper divisors (126151081045).

402620120075 is a wasteful number, since it uses less digits than its factorization.

402620120075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277207 (or 277202 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 402620120075 its reverse (570021026204), we get a palindrome (972641146279).

The spelling of 402620120075 in words is "four hundred two billion, six hundred twenty million, one hundred twenty thousand, seventy-five".