402020123432410 has 32 divisors (see below), whose sum is σ = 827013642826752. Its totient is φ = 137835334644480.

The previous prime is 402020123432377. The next prime is 402020123432413. The reversal of 402020123432410 is 14234321020204.

It is a super-2 number, since 2×402020123432410² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402020123432413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90035479 + ... + 94395061.

It is an arithmetic number, because the mean of its divisors is an integer number (25844176338336).

Almost surely, 2^{402020123432410} is an apocalyptic number.

402020123432410 is an abundant number, since it is smaller than the sum of its proper divisors (424993519394342).

402020123432410 is a wasteful number, since it uses less digits than its factorization.

402020123432410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676958.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402020123432410 its reverse (14234321020204), we get a palindrome (416254444452614).

The spelling of 402020123432410 in words is "four hundred two trillion, twenty billion, one hundred twenty-three million, four hundred thirty-two thousand, four hundred ten".