220693532442 has 32 divisors (see below), whose sum is σ = 461869610112. Its totient is φ = 70225781184.

The previous prime is 220693532429. The next prime is 220693532443. The reversal of 220693532442 is 244235396022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220693532394 and 220693532403.

It is not an unprimeable number, because it can be changed into a prime (220693532443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9366678 + ... + 9390209.

It is an arithmetic number, because the mean of its divisors is an integer number (14433425316).

Almost surely, 2^220693532442 is an apocalyptic number.

220693532442 is an abundant number, since it is smaller than the sum of its proper divisors (241176077670).

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

220693532442 is a wasteful number, since it uses less digits than its factorization.

220693532442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18756982.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 220693532442 in words is "two hundred twenty billion, six hundred ninety-three million, five hundred thirty-two thousand, four hundred forty-two".