2635152036220 has 96 divisors (see below), whose sum is σ = 6211699171776. Its totient is φ = 930848256000.

The previous prime is 2635152036217. The next prime is 2635152036221. The reversal of 2635152036220 is 226302515362.

It is a self number, because there is not a number n which added to its sum of digits gives 2635152036220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2635152036221) 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, 58852 + ... + 2296468.

It is an arithmetic number, because the mean of its divisors is an integer number (64705199706).

Almost surely, 2^{2635152036220} is an apocalyptic number.

2635152036220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2635152036220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3105849585888).

2635152036220 is an abundant number, since it is smaller than the sum of its proper divisors (3576547135556).

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

2635152036220 is a wasteful number, since it uses less digits than its factorization.

2635152036220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237791 (or 2237789 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 2635152036220 in words is "two trillion, six hundred thirty-five billion, one hundred fifty-two million, thirty-six thousand, two hundred twenty".