20362351343240 has 32 divisors (see below), whose sum is σ = 45818620634880. Its totient is φ = 8144348517312.

The previous prime is 20362351343069. The next prime is 20362351343291. The reversal of 20362351343240 is 4234315326302.

It is a junction number, because it is equal to n+sod(n) for n = 20362351343194 and 20362351343203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17943224 + ... + 19044263.

It is an arithmetic number, because the mean of its divisors is an integer number (1431831894840).

Almost surely, 2^{20362351343240} is an apocalyptic number.

20362351343240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20362351343240 is an abundant number, since it is smaller than the sum of its proper divisors (25456269291640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20362351343240 is a wasteful number, since it uses less digits than its factorization.

20362351343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37001261 (or 37001257 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 20362351343240 its reverse (4234315326302), we get a palindrome (24596666669542).

The spelling of 20362351343240 in words is "twenty trillion, three hundred sixty-two billion, three hundred fifty-one million, three hundred forty-three thousand, two hundred forty".