33220020203142 has 64 divisors (see below), whose sum is σ = 67052426310144. Its totient is φ = 10971552683520.

The previous prime is 33220020203137. The next prime is 33220020203147. The reversal of 33220020203142 is 24130202002233.

It is an interprime number because it is at equal distance from previous prime (33220020203137) and next prime (33220020203147).

It is a super-2 number, since 2×33220020203142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220020203147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1835655438 + ... + 1835673534.

It is an arithmetic number, because the mean of its divisors is an integer number (1047694161096).

Almost surely, 2^{33220020203142} is an apocalyptic number.

33220020203142 is an abundant number, since it is smaller than the sum of its proper divisors (33832406107002).

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

33220020203142 is a wasteful number, since it uses less digits than its factorization.

33220020203142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21773.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33220020203142 its reverse (24130202002233), we get a palindrome (57350222205375).

The spelling of 33220020203142 in words is "thirty-three trillion, two hundred twenty billion, twenty million, two hundred three thousand, one hundred forty-two".