20213330034 has 16 divisors (see below), whose sum is σ = 40660342272. Its totient is φ = 6698829648.

The previous prime is 20213329979. The next prime is 20213330047. The reversal of 20213330034 is 43003331202.

It is a super-2 number, since 2×20213330034² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9735634 + ... + 9737709.

It is an arithmetic number, because the mean of its divisors is an integer number (2541271392).

Almost surely, 2^20213330034 is an apocalyptic number.

20213330034 is an abundant number, since it is smaller than the sum of its proper divisors (20447012238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20213330034 is a wasteful number, since it uses less digits than its factorization.

20213330034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19473521.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20213330034 its reverse (43003331202), we get a palindrome (63216661236).

The spelling of 20213330034 in words is "twenty billion, two hundred thirteen million, three hundred thirty thousand, thirty-four".