20210412145 has 32 divisors (see below), whose sum is σ = 30246462720. Its totient is φ = 12594704640.

The previous prime is 20210412137. The next prime is 20210412151. The reversal of 20210412145 is 54121401202.

It is not a de Polignac number, because 20210412145 - 2³ = 20210412137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1621959 + ... + 1634371.

It is an arithmetic number, because the mean of its divisors is an integer number (945201960).

Almost surely, 2^20210412145 is an apocalyptic number.

It is an amenable number.

20210412145 is a deficient number, since it is larger than the sum of its proper divisors (10036050575).

20210412145 is a wasteful number, since it uses less digits than its factorization.

20210412145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20210412145 its reverse (54121401202), we get a palindrome (74331813347).

The spelling of 20210412145 in words is "twenty billion, two hundred ten million, four hundred twelve thousand, one hundred forty-five".