20022305534 has 32 divisors (see below), whose sum is σ = 37957268736. Its totient is φ = 7694032320.

The previous prime is 20022305533. The next prime is 20022305561. The reversal of 20022305534 is 43550322002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022305531) 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, 879272 + ... + 901755.

It is an arithmetic number, because the mean of its divisors is an integer number (1186164648).

Almost surely, 2^20022305534 is an apocalyptic number.

20022305534 is a deficient number, since it is larger than the sum of its proper divisors (17934963202).

20022305534 is a wasteful number, since it uses less digits than its factorization.

20022305534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781120.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 20022305534 its reverse (43550322002), we get a palindrome (63572627536).

The spelling of 20022305534 in words is "twenty billion, twenty-two million, three hundred five thousand, five hundred thirty-four".