203122420203032 has 64 divisors (see below), whose sum is σ = 425244928268160. Its totient is φ = 90158933088000.

The previous prime is 203122420202993. The next prime is 203122420203097. The reversal of 203122420203032 is 230302024221302.

It is a happy number.

It is a super-2 number, since 2×203122420203032² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203122420202992 and 203122420203010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8703548 + ... + 21954420.

It is an arithmetic number, because the mean of its divisors is an integer number (6644452004190).

Almost surely, 2^{203122420203032} is an apocalyptic number.

203122420203032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203122420203032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212622464134080).

203122420203032 is an abundant number, since it is smaller than the sum of its proper divisors (222122508065128).

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

203122420203032 is a wasteful number, since it uses less digits than its factorization.

203122420203032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13254984 (or 13254980 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203122420203032 its reverse (230302024221302), we get a palindrome (433424444424334).

The spelling of 203122420203032 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred twenty million, two hundred three thousand, thirty-two".