33122023220 has 96 divisors (see below), whose sum is σ = 86017438080. Its totient is φ = 10532712960.

The previous prime is 33122023217. The next prime is 33122023247. The reversal of 33122023220 is 2232022133.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33122023192 and 33122023201.

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, 250427 + ... + 359106.

It is an arithmetic number, because the mean of its divisors is an integer number (896014980).

Almost surely, 2^33122023220 is an apocalyptic number.

It is an amenable number.

33122023220 is an abundant number, since it is smaller than the sum of its proper divisors (52895414860).

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

33122023220 is a wasteful number, since it uses less digits than its factorization.

33122023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609585 (or 609583 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 33122023220 its reverse (2232022133), we get a palindrome (35354045353).

The spelling of 33122023220 in words is "thirty-three billion, one hundred twenty-two million, twenty-three thousand, two hundred twenty".