220025352040144 has 80 divisors (see below), whose sum is σ = 492375129724800. Its totient is φ = 93295352881152.

The previous prime is 220025352040079. The next prime is 220025352040147. The reversal of 220025352040144 is 441040253520022.

It is a super-2 number, since 2×220025352040144² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220025352040147) 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, 31706967 + ... + 38018185.

It is an arithmetic number, because the mean of its divisors is an integer number (6154689121560).

Almost surely, 2^{220025352040144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220025352040144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246187564862400).

220025352040144 is an abundant number, since it is smaller than the sum of its proper divisors (272349777684656).

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

220025352040144 is a wasteful number, since it uses less digits than its factorization.

220025352040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314540 (or 6314534 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 220025352040144 in words is "two hundred twenty trillion, twenty-five billion, three hundred fifty-two million, forty thousand, one hundred forty-four".