20213026402 has 16 divisors (see below), whose sum is σ = 30657295872. Its totient is φ = 9994528800.

The previous prime is 20213026397. The next prime is 20213026409. The reversal of 20213026402 is 20462031202.

It is not an unprimeable number, because it can be changed into a prime (20213026409) 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, 82723 + ... + 217414.

It is an arithmetic number, because the mean of its divisors is an integer number (1916080992).

Almost surely, 2^20213026402 is an apocalyptic number.

20213026402 is a deficient number, since it is larger than the sum of its proper divisors (10444269470).

20213026402 is a wasteful number, since it uses less digits than its factorization.

20213026402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300513.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20213026402 its reverse (20462031202), we get a palindrome (40675057604).

The spelling of 20213026402 in words is "twenty billion, two hundred thirteen million, twenty-six thousand, four hundred two".