20213042401 has 16 divisors (see below), whose sum is σ = 20732760000. Its totient is φ = 19699812288.

The previous prime is 20213042393. The next prime is 20213042407. The reversal of 20213042401 is 10424031202.

It is a cyclic number.

It is not a de Polignac number, because 20213042401 - 2³ = 20213042393 is a prime.

It is a super-3 number, since 3×20213042401³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213042407) 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, 4620051 + ... + 4624423.

It is an arithmetic number, because the mean of its divisors is an integer number (1295797500).

Almost surely, 2^20213042401 is an apocalyptic number.

It is an amenable number.

20213042401 is a deficient number, since it is larger than the sum of its proper divisors (519717599).

20213042401 is a wasteful number, since it uses less digits than its factorization.

20213042401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20213042401 its reverse (10424031202), we get a palindrome (30637073603).

The spelling of 20213042401 in words is "twenty billion, two hundred thirteen million, forty-two thousand, four hundred one".