32545101220 has 12 divisors (see below), whose sum is σ = 68344712604. Its totient is φ = 13018040480.

The previous prime is 32545101203. The next prime is 32545101227. The reversal of 32545101220 is 2210154523.

It can be written as a sum of positive squares in 2 ways, for example, as 18426433536 + 14118667684 = 135744^2 + 118822^2 .

It is a super-2 number, since 2×32545101220² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32545101227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813627511 + ... + 813627550.

It is an arithmetic number, because the mean of its divisors is an integer number (5695392717).

Almost surely, 2^32545101220 is an apocalyptic number.

It is an amenable number.

32545101220 is an abundant number, since it is smaller than the sum of its proper divisors (35799611384).

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

32545101220 is a wasteful number, since it uses less digits than its factorization.

32545101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627255070 (or 1627255068 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 32545101220 its reverse (2210154523), we get a palindrome (34755255743).

The spelling of 32545101220 in words is "thirty-two billion, five hundred forty-five million, one hundred one thousand, two hundred twenty".