20212451024 has 40 divisors (see below), whose sum is σ = 39532059072. Its totient is φ = 10010739200.

The previous prime is 20212451023. The next prime is 20212451027. The reversal of 20212451024 is 42015421202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212451023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5246699 + ... + 5250549.

Almost surely, 2^20212451024 is an apocalyptic number.

It is an amenable number.

20212451024 is a deficient number, since it is larger than the sum of its proper divisors (19319608048).

20212451024 is a wasteful number, since it uses less digits than its factorization.

20212451024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875 (or 6869 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20212451024 its reverse (42015421202), we get a palindrome (62227872226).

The spelling of 20212451024 in words is "twenty billion, two hundred twelve million, four hundred fifty-one thousand, twenty-four".