20220153504456 has 32 divisors (see below), whose sum is σ = 50550525980640. Its totient is φ = 6740032205568.

The previous prime is 20220153504451. The next prime is 20220153504461. The reversal of 20220153504456 is 65440535102202.

It is an interprime number because it is at equal distance from previous prime (20220153504451) and next prime (20220153504461).

It is not an unprimeable number, because it can be changed into a prime (20220153504451) 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, 9482800 + ... + 11417696.

It is an arithmetic number, because the mean of its divisors is an integer number (1579703936895).

Almost surely, 2^{20220153504456} is an apocalyptic number.

It is an amenable number.

20220153504456 is an abundant number, since it is smaller than the sum of its proper divisors (30330372476184).

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

20220153504456 is a wasteful number, since it uses less digits than its factorization.

20220153504456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370333 (or 2370329 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 20220153504456 its reverse (65440535102202), we get a palindrome (85660688606658).

The spelling of 20220153504456 in words is "twenty trillion, two hundred twenty billion, one hundred fifty-three million, five hundred four thousand, four hundred fifty-six".