20610225420 has 48 divisors (see below), whose sum is σ = 57714988128. Its totient is φ = 5495454720.

The previous prime is 20610225407. The next prime is 20610225437. The reversal of 20610225420 is 2452201602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895902 + ... + 918618.

It is an arithmetic number, because the mean of its divisors is an integer number (1202395586).

Almost surely, 2^20610225420 is an apocalyptic number.

20610225420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20610225420 is an abundant number, since it is smaller than the sum of its proper divisors (37104762708).

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

20610225420 is a wasteful number, since it uses less digits than its factorization.

20610225420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37850 (or 37848 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 20610225420 in words is "twenty billion, six hundred ten million, two hundred twenty-five thousand, four hundred twenty".