20302131100120 has 32 divisors (see below), whose sum is σ = 45682189934400. Its totient is φ = 8120426669568.

The previous prime is 20302131100049. The next prime is 20302131100159. The reversal of 20302131100120 is 2100113120302.

It is a junction number, because it is equal to n+sod(n) for n = 20302131100094 and 20302131100103.

It is a congruent number.

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, 12532305 + ... + 14059264.

It is an arithmetic number, because the mean of its divisors is an integer number (1427568435450).

Almost surely, 2^{20302131100120} is an apocalyptic number.

20302131100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302131100120 is an abundant number, since it is smaller than the sum of its proper divisors (25380058834280).

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

20302131100120 is a wasteful number, since it uses less digits than its factorization.

20302131100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26610667 (or 26610663 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20302131100120 its reverse (2100113120302), we get a palindrome (22402244220422).

The spelling of 20302131100120 in words is "twenty trillion, three hundred two billion, one hundred thirty-one million, one hundred thousand, one hundred twenty".