202156029 has 36 divisors (see below), whose sum is σ = 315565536. Its totient is φ = 124622064.

The previous prime is 202155979. The next prime is 202156033. The reversal of 202156029 is 920651202.

It is not a de Polignac number, because 202156029 - 2⁸ = 202155773 is a prime.

It is a super-2 number, since 2×202156029² = 81734120122097682, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202155993 and 202156011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202156069) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 138984 + ... + 140430.

Almost surely, 2^202156029 is an apocalyptic number.

It is an amenable number.

202156029 is a deficient number, since it is larger than the sum of its proper divisors (113409507).

202156029 is a wasteful number, since it uses less digits than its factorization.

202156029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 202156029 is about 14218.1584250563. The cubic root of 202156029 is about 586.8974636783.

It can be divided in two parts, 20215 and 6029, that added together give a square (26244 = 162²).

The spelling of 202156029 in words is "two hundred two million, one hundred fifty-six thousand, twenty-nine".