20402141431310 has 64 divisors (see below), whose sum is σ = 37614417945984. Its totient is φ = 7965361152000.

The previous prime is 20402141431307. The next prime is 20402141431337. The reversal of 20402141431310 is 1313414120402.

It is a super-2 number, since 2×20402141431310² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20402141431310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148644815 + ... + 148782005.

It is an arithmetic number, because the mean of its divisors is an integer number (587725280406).

Almost surely, 2^{20402141431310} is an apocalyptic number.

20402141431310 is a deficient number, since it is larger than the sum of its proper divisors (17212276514674).

20402141431310 is a wasteful number, since it uses less digits than its factorization.

20402141431310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139389.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20402141431310 its reverse (1313414120402), we get a palindrome (21715555551712).

The spelling of 20402141431310 in words is "twenty trillion, four hundred two billion, one hundred forty-one million, four hundred thirty-one thousand, three hundred ten".