20020312013232 has 40 divisors (see below), whose sum is σ = 51725736327600. Its totient is φ = 6672586117120.

The previous prime is 20020312013213. The next prime is 20020312013239. The reversal of 20020312013232 is 23231021302002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020312013199 and 20020312013208.

It is not an unprimeable number, because it can be changed into a prime (20020312013239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26220357 + ... + 26973092.

It is an arithmetic number, because the mean of its divisors is an integer number (1293143408190).

Almost surely, 2^{20020312013232} is an apocalyptic number.

It is an amenable number.

20020312013232 is an abundant number, since it is smaller than the sum of its proper divisors (31705424314368).

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

20020312013232 is a wasteful number, since it uses less digits than its factorization.

20020312013232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53201301 (or 53201295 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20020312013232 its reverse (23231021302002), we get a palindrome (43251333315234).

The spelling of 20020312013232 in words is "twenty trillion, twenty billion, three hundred twelve million, thirteen thousand, two hundred thirty-two".