25140010220 has 24 divisors (see below), whose sum is σ = 56855100624. Its totient is φ = 9282465216.

The previous prime is 25140010219. The next prime is 25140010241. The reversal of 25140010220 is 2201004152.

It is a super-2 number, since 2×25140010220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48345914 + ... + 48346433.

It is an arithmetic number, because the mean of its divisors is an integer number (2368962526).

Almost surely, 2^25140010220 is an apocalyptic number.

25140010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25140010220 is an abundant number, since it is smaller than the sum of its proper divisors (31715090404).

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

25140010220 is a wasteful number, since it uses less digits than its factorization.

25140010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96692369 (or 96692367 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 25140010220 its reverse (2201004152), we get a palindrome (27341014372).

The spelling of 25140010220 in words is "twenty-five billion, one hundred forty million, ten thousand, two hundred twenty".