20125221410 has 32 divisors (see below), whose sum is σ = 41508605952. Its totient is φ = 6882050880.

The previous prime is 20125221409. The next prime is 20125221449. The reversal of 20125221410 is 1412252102.

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, 348521 + ... + 402140.

It is an arithmetic number, because the mean of its divisors is an integer number (1297143936).

Almost surely, 2^20125221410 is an apocalyptic number.

20125221410 is an abundant number, since it is smaller than the sum of its proper divisors (21383384542).

20125221410 is a wasteful number, since it uses less digits than its factorization.

20125221410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751058.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 20125221410 its reverse (1412252102), we get a palindrome (21537473512).

The spelling of 20125221410 in words is "twenty billion, one hundred twenty-five million, two hundred twenty-one thousand, four hundred ten".