20223101451 has 64 divisors (see below), whose sum is σ = 33451315200. Its totient is φ = 10605551616.

The previous prime is 20223101449. The next prime is 20223101461. The reversal of 20223101451 is 15410132202.

It is not a de Polignac number, because 20223101451 - 2¹ = 20223101449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20223101461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2315070 + ... + 2323788.

It is an arithmetic number, because the mean of its divisors is an integer number (522676800).

Almost surely, 2^20223101451 is an apocalyptic number.

20223101451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20223101451 is a deficient number, since it is larger than the sum of its proper divisors (13228213749).

20223101451 is a wasteful number, since it uses less digits than its factorization.

20223101451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20223101451 its reverse (15410132202), we get a palindrome (35633233653).

The spelling of 20223101451 in words is "twenty billion, two hundred twenty-three million, one hundred one thousand, four hundred fifty-one".