220153640628 has 24 divisors (see below), whose sum is σ = 523384128288. Its totient is φ = 71999932576.

The previous prime is 220153640627. The next prime is 220153640659. The reversal of 220153640628 is 826046351022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220153640627) 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, 173076126 + ... + 173077397.

It is an arithmetic number, because the mean of its divisors is an integer number (21807672012).

Almost surely, 2^220153640628 is an apocalyptic number.

It is an amenable number.

220153640628 is an abundant number, since it is smaller than the sum of its proper divisors (303230487660).

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

220153640628 is a wasteful number, since it uses less digits than its factorization.

220153640628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346153583 (or 346153581 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 220153640628 in words is "two hundred twenty billion, one hundred fifty-three million, six hundred forty thousand, six hundred twenty-eight".