20462001481 has 16 divisors (see below), whose sum is σ = 20913552000. Its totient is φ = 20016481408.

The previous prime is 20462001449. The next prime is 20462001503. The reversal of 20462001481 is 18410026402.

It is a cyclic number.

It is not a de Polignac number, because 20462001481 - 2⁵ = 20462001449 is a prime.

It is a super-2 number, since 2×20462001481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20462001401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3484710 + ... + 3490576.

It is an arithmetic number, because the mean of its divisors is an integer number (1307097000).

Almost surely, 2^20462001481 is an apocalyptic number.

It is an amenable number.

20462001481 is a deficient number, since it is larger than the sum of its proper divisors (451550519).

20462001481 is a wasteful number, since it uses less digits than its factorization.

20462001481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6368.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 20462001481 its reverse (18410026402), we get a palindrome (38872027883).

The spelling of 20462001481 in words is "twenty billion, four hundred sixty-two million, one thousand, four hundred eighty-one".